----Please call me if there is a problem.
---- Thanks. I won’t ______ to ask for your help if I feel I need it.
| A．hesitate | B．bother | C．consider | D．doubt |
—What would you wish to do if you were a college student again?
—That's very hard to say, but I wish I___________ when I was a college student.
| A．has not studied biology | B．did study biology |
| C．had studied biology | D．studied biology |
His parents meant him_____________ scientific research, but he showed no interest and turned poet.
| A．going in for | B．to have gone in for |
| C．to go in for | D．having gone in for |
—Why didn't you answer my phone when I phoned you at about 11 p. m. yesterday?
—I ___________and failed to hear the phone.
| A．might have slept | B．must be sleeping |
| C．might be sleeping | D．must have been sleeping |
Peter won't drive us to the station. He has __________ to take us all.
| A．a very small car | B．too small a car |
| C．a too small car | D．such a small car |
He had little idea that it was getting so late, ___________?
| A．didn't he | B．wasn't it | C．did he | D．was it |