Are they doing____ homework?
| A．them | B．theirs | C．they | D．their |
--Will Tom come to our party?
--______I’m not sure.
| A．Nearly | B．Certainly |
| C．Perhaps | D．Impossible |
They were all very tired, but ______of them took a rest.
| A．none | B．nobody | C．all | D．both |
After the hard work, what we want is ______a rest.
| A．have | B．has | C．had | D．to have |
You _____keep the water running all the time, because you’re wasting water.
| A．ought to | B．ought not |
| C．not ought | D．ought not to |
--Ann has finished her homework, hasn’t she?
--Yes. She ______it an hour ago.
| A．finished | B．finishes |
| C．has finished | D．will finish |