---What’s _______most useful invention in the 20th century?
---________computer, I think.
A. the; A B. a; A C. the; The D. /; The
There _______a football game this afternoon.
A. will have B. is going to be C. to be D. Has
---_______. ---I have a cough.
A. What are you? B. What’s the trouble?
C. What’s wrong? D. B and C.
---How do usually come to school? ---________my father’s car.
A. By B. At C. In D. With
---Could you please open the door for me? ---Sorry, I ________, I have no key to the door.
A. can B. can’t C. couldn’t D. Could
---_______ do you do your homework? ---Every day.
A. When B. How often
C. How many times D. What time
