—Shall I inform him of the change of the schedule right now?
—I am afraid you ________, in case he comes late for the meeting.
| A．will | B．must | C．may | D．can |
The old man said the accident________ careless driving
| A．was due to | B．due to | C．is due to | D．has due to |
I don’t think _________ is possible to master a foreign language without much memory work.
| A．this | B．that | C．it | D．its |
—Thank you very much for everything ．You’ve been so helpful.
—__．Just let me know if there is anything else I can do for you．
| A．With pleasure | B．The pleasure is mine． |
| C．Please don’t say so | D．No, thanks |
Please remind your grandpa to take medicine on time, for a man of his age ____be very forgetful．
| A．need | B．must | C．shall | D．can |
During the economic crisis, we should help those for ______life is far from easy．
| A．whom | B．whose | C．who | D．whoever |