She didn’t tell her mother of the great wrong that __ to her the day before.
| A．done | B．would be done | C．had done | D．had been done |
32．Many experiments_____before the research team was able to get the exact data to carry on project.
| A．have done | B．had been doing | C．had been done | D．have been done |
How long ago ___ studying at the middle school?
| A．did you stop | B．have you stopped | C．has you stopped | D．do you stop |
15. Researchers _______ to develop vaccines and this will probably take several months to complete.
| A．are working | B．worked | C．will work | D．has worked |
I don’t know the restaurant, but it’s __ to be quite a good one.
| A．said | B．told | C．spoken | D．talked |
A mother who ___ here son will do everything for his happiness.
| A．is loving | B．loves | C．loved | D．has loved |
Sheldon could have defeated Howard in the match, but he _______ too careless at the last minute.
| A．is | B．was | C．has been | D．had been |
After working for two years, Tim Martin was ___ as the top manager in charge of the company.
| A．ranked | B．appointed | C．recognized | D．classified |
— Have you been here before?
— Yes. This is the third time that I ______ to Shanghai.
| A．come | B．came | C．have come | D．had come |
----In fact, you _____ to write up the report within three days.
----Sorry for not finishing it. I’ve been too busy recently.
| A．are expecting | B．have expected |
| C．were expected | D．are expected |
—Did you see a man in black pass by just now?
—No, sir. I ______ a newspaper.
| A．read | B．was reading | C．would read | D．am reading |
The hero’s story______ differently in the newspapers.
| A．was reported | B．was reporting | C．reports | D．reported |
I had thought that he ___ for a least twenty years.
| A．had been dying | B．had died | C．had been dead | D．died |
I didn’t see your sister at the meeting.If she ___ , she would have met my brother.
| A．has come | B．did come | C．came | D．had come |
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