I saw that he _____ at seven o’clock last night.
| A．still worked | B．is still working |
| C．was still working | D．had been working |
The bus came after I _____ for about half an hour.
| A．had been waiting | B．have been waiting |
| C．have waited | D．was waiting |
He _____ English for ten years by the time he takes the examination.
| A．will have been studying | B．would have been studying |
| C．will study | D．studied |
I knew I could not finish the homework _____.
| A．by the time he had come | B．before he came |
| C．until he has come | D．when he comes |
—Where is Peter? —He _____ to Shanghai.
| A．went | B．had gone | C．has been | D．has gone |
My brother _____ the Youth League since 1990.
| A．joined | B．has been in | C．has joined | D．had joined |
I haven’t seen her _____.
| A．two weeks ago | B．since two weeks |
| C．for two weeks | D．before two weeks |
Don’t get that ink on the shirt, for it _____.
| A．doesn’t wash out | B．won’t be washing out |
| C．isn’t washing out | D．won’t wash out |
Continue heating until steam _____.
| A．has appeared | B．appear | C．appeared | D．will appear |
It is getting late. It’s time we _____.
| A．go | B．went | C．are going | D．must go |