Since the 1980s, it ______ possible to listen to British and American English at the flick of a switch.
| A. is | 
   B. has been | 
  
| C. had been  | 
   D. was | 
  
The photo often reminds me of the scene _____ we were kept reading and writing after school.
| A.on which | B.where | C.which | D.why | 
She hurried to the entrance at which the car _____, and looked forward to seeing her husband.
| A.would arrive | B.has arrives | C.arrived | D.will arrive | 
It seemed that the boy who you _____ didn’t show any interest in what he was reading at all.
| A.were made to study | B.made to study | 
| C.made study | D.were making to study | 
—Is everybody here?
 —Not yet.... Look, there _____ the rest of my students!
| A.comes | B.come | C.is coming | D.are coming | 
You _____ have bought the book for me, but thank you all the same.
| A.shouldn’t | B.needn’t | C.can’t | D.mustn’t |