College students should be encouraged to use _____ Internet as _____ resource when planning a term paper.
| A．the; a | B．/; the |
| C．the; the | D．a; a |
“Time is running out,______?”
a. hadn’t we better got start b. hadn’t we better get start
c.hadn’t we better get started d. hadn’t we better not started
.I’m sorry, but I had no alternative. I simply ______ what I did.
a. must do b. had to do c. ought to have done d. have to do
______ to see a film with us today?
a. Did you like b. Would you like c. Will you like d. Have you liked
If they ______, our plan will fall flat.
a. are co-operating b. had not co-operated c. won’t co-operate d. didn’t co-operate
“You realize that you were driving at 100 mph, don’t you?”
“No, officer. I ______. This car can’t do more than 80.”
a. didn’t need to be b. may not have been c. couldn’t have been d. needn’t have been