---Were you at home at 7:00 yesterday evening? I called you but no one was there.
---Sorry, we ___________ a movie at the theatre at that time.
| A．watch | B．were watching | C．watched | D．are watching |
He has already gone home. But before he left, he__________ all the mistakes in his translation.
| A．had corrected | B．has corrected |
| C．corrected | D．would correct |
The guests were _________ in the front rows ________ to the president attentively.
| A．seating; listened | B．seating; listening |
| C．seated; listened | D．seated; listening |
The last time I ______her, she ___________ at a medical college.
| A．was visiting; studied | B．visited; studied |
| C．visited; was studying | D．was visiting; was studying |
---Can I help you?
---Yes, I bought this radio here yesterday, but it _____________.
| A．didn’t work | B．won’t work | C．can’t work | D．doesn’t work |
—______ your sister ______ in Greener China for a long time?
—Yes.She joined it five years ago.
| A．Has; been | B．Have; been |
| C．Has; joined | D．Have; joined |
--- Excuse me, but I don’t think you can take photos here.
--- Sorry. I _______ this is no-photo zone.（地区）
| A．don’t know | B． have no idea |
| C． didn’t know | D．won’t know |
At the meeting the boss was explaining his plan while his secretary_________ the notes.
| A．is taking | B．was taking | C．has taken | D．takes |
–Have you taken your medicine today ?
--Yes , I ______ it after breakfast.
| A．have taken | B．took |
| C．will take | D．take |