The plane had taken off before he arrived at the airport.（）

A．would get off

B．got off

C．had got off

D．has got off

A．were just unloading

B．were just been unloading

C．had j ust unloa

D．were just being unloaded

A．will take off

B．would take off

C．has taken off

D．had taken off

The plane was late and detectives were() at the airport all morning. They were expecting a valuable parcel of diamonds() South Africa. A few hours earlier, someone had() the police that thieves would try to steal the diamonds. ()the plane arrived, some of the detectives were waiting inside the main building() others were waiting on the airfield. Two men took the parcel() the plane and carried it() the Customs House. While two detectives were() guard at the door, two others opened the parcel.() their surprise, the precious parcel was full ()stones and sand!

46、A、waited

B、wait

C、waiting

D、waits

47、A、over

B、in

C、across

D、from

48、A、tell

B、tells

C、told

D、telling

49、A、When

B、What

C、However

D、Since

50、A、that

B、when

C、while

D、which

51、A、down

B、on

C、in

D、off

52、A、off

B、away

C、from

D、into

53、A、keeps

B、kept

C、keep

D、keeping

54、A、Without

B、On

C、To

D、With

55、A、in

B、off

C、of

D、with

When the plane circled over the airport, everyone felt that something was wrong.The plane was moving unsteadily through the air, and 11 the passengers had fastened their seat belts, they were suddenly thrown forward.At the moment, the air-hostess 12 .She looked very pale but quite calm.Speaking quickly but almost in a whisper, she 13 everyone that the pilot had fainted and asked if any one of the passengers knew anything about machines or at 14 how to drive a car.After a moment's hesitation,a man got up and followed the hostess into the pilot's cabin.

Moving the pilot 15 , the man took his seat and listened carefully to the urgent instructions that were being sent by radio from the airport 16 .The plane was nowdangerously close to the ground, but to everyone's 17 , it soon began to climb.The man had to circle the airport several times in order to become 18 with the controls.But the danger had not yet passed.The terrible 19 came when he had to land.Followinginstructions, the man guided the plane toward the airfield.It shook violently 20 it touched the ground and then moved rapidly along the runway and after a long run it stopped safely.

11.A.then

B.while

C.although

D.therefore

12.A.exposed

B.shifted

C.appeared

D.presented

13.A.informed

B.ensured

C.inquired

D.instructed

14.A.first

B.best

C.length

D.least

15.A.aside

B.back

C.off

D.about

16.A.under

B.down

C.near

D.below

17.A.relief

B.pleasure

C.horror

D.trust

18.A.familiar

B.close

C.intimate

D.understood

19.A.idea

B.affair

C.moment

D.movement

20.A.unless

B.so

C.while

D.As

When the plane circled over the airport, everyone felt that something was wrong.The plane was moving unsteadily through the air, and 21 the passengers had fastened their seat belts, they were suddenly thrown forward.At the moment, the air-hostess appeared.She looked very pale but quite 22 .Speaking quickly but almost in a whisper, she informed everyone that the pilot had 23and asked if any one of the passengers knew anything about machines - or at 24 how to drive a car.After a moment's 25 , a man got up and followed the hostess into the pilot's cabin.

Moving the pilot 26 , the man took his seat and listened carefully to the urgent instructions that were being sent by radio from airport below.The plane now was dangerously close to the ground, but to everyone's 27 ,it soon began to climb.The man had to circle the airport several times in order to become 28 with the controls.But the danger had not yet passed.The terrible 29 came when he had to land.Following instructions, the man guided the plane toward the airfield.It shook violently as it touched the ground and then moved rapidly 30 the runway and after a long run it stopped safely.

21.A.then

B.while

C.although

D.therefore

22.A.still

B.well

C.quiet

D.calm

23.A.fainted

B.failed

C.faded

D.fallen

24.A.last

B.least

C.length

D.first

25.A.delay

B.hesitation

C.doubt

D.surprise

26.A.back

B.off

C.about

D.aside

27.A.pleasure

B.horror

C.relief

D.trust

28.A.familiar

B.close

C.understood

D.easy

29.A.movement

B.idea

C.moment

D.age

30.A.around

B.over

C.above

D.along