He ______ you more help even though he was very busy.
| A．might have given | B．might give | C．may have given | D．may give |
Whatever amount you decided to ______, be certain that the money will be put to good use.
| A．exchange | B．calculate | C．donate | D．distribute |
Hardly _______ to speak when the audience interrupted him.
| A．he began | B．he had begun | C．had he begun | D．did he begin |
—Why don’t you wear your jogging shorts, mum?
—Well, my legs are too skinny, if you ______ know.
| A．must | B．can | C．may | D．need |
Tourists are now coming to Ping’an village in large numbers, ___________ they would never have stopped, had it not been Mo Yan’s hometown.
| A．when | B．where | C．that | D．which |
It is reported that in our country cities ________ heavy air pollution that is 30 percent above the national standard or higher should try to meet standards by 2030.
| A．suffering | B．suffer | C．suffered | D．are suffering |