When he was alive, the old scientist used to say that knowledge __from practice and he gained his experience by doing a lot of practical work.
A.was coming | B.had come | C.comes | D.would come |
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 |
The children __very quiet;I wonder what they __up to.
A.were; are being | B.are being;are | C.are;do | D.are being;do |
I don’t know the restaurant, but it’s __ to be quite a good one.
A.said | B.told | C.spoken | D.talked |
28. She had a computer at home, and her parents desired that she ______ all her work at home.
A.do | B.does | C.must do | D.would do |
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 |