At the end of the meeting,it was announced that an agreement_______.
| A．has been reached | B．had been reached |
| C．has reached | D．had reached |
I___there little more than a week when I set to work with the scientist.
| A．would be | B．have been |
| C．had been | D．will be |
They became friends again that day.Until then,they_____to each other for nearly two years.
| A．didn’t speak | B．hadn’t spoken |
| C．haven’t spoken | D．haven’t been speaking |
When I called you this morning,nobody answered the phone.Where______?
| A．did you go | B．have you gone |
| C．were you | D．had you been |
—Did Alan enjoy seeing his old friends yesterday?
—Yes,he did.He___his old friends for a long time.
| A．didn’t see | B．wouldn’t see |
| C．hasn’t seen | D．hadn’t seen |
After he had won the first prize, Mr. Su ____ to a restaurant to celebrate with us.
| A．went | B．has gone | C．would go | D．had gone |
—Has your father returned from Africa yet?
—Yes,but he _______ here for only three days before his company sent him to Australia.
| A．was | B．has been | C．will be | D．would be |
—Have you handed in your schoolwork yet?
—Yes,I have.I guess it _______ now.
| A．has graded | B．is graded |
| C．is being graded | D．is grading |
－ What do you think of the movie?
－ It’s fantastic. The only pity is that I __________ the beginning of it.
| A． Missed | B．had missed | C．miss | D．would miss |
Over the past decades, sea ice _____ in the Arctic as a result of global warming.
| A．had decreased | B．more than | C．attach | D．apply |