Since the beginning of last year, these regulations _____ in most workplaces across the city.
A、be introduced
B、will be introduced
C、have introduced
D、have been introduced
Lawn tennis was introduced to the United States in ______.
A.1873
B.1874
C.1876
D.None of the above
______ can be introduced as a means of consolidation and evaluation in the Direct Method.
A.Reading
B.Listening
C.Speaking
D.Writing
(It was) (in the) primary school (where) my teacher introduced (me to) computers.
A.It was
B.in the
C.where
D.me to
Which of the following companies first introduced this product?
A.Sony.
B.Casio.
C.Hattori.
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