Where in the Aeroscraft do you think the six turbofan jet engines are located？

A.where’s

B.where

C.what

A.Where

B.Where’s

C.What’s

Would you tell me ________？

A、where is the post office

B、where stands the post office

C、where the post office is

D、where stood the post office

A、WHERE class != NULL;

B、WHERE class IS NOT NULL;

C、WHERE class NOT NULL;

D、WHERE class !NULL;

[A] which

[B] where

[C] here

[D] there