-Guess what! I have got an A for my term paper.
-Great ！ You __________ read widely and put a lot of work into it.
| A．must have |
| B．should |
| C．must |
| D．should have |
Large quantities of water, as well as some other timely help，__________ since the serious drought hit Yunnan Province.
| A．has offered | B．have offered |
| C．have been offered | D．has been offered |
Above one third of the population in Beijing and Shanghai __________ netizens, but in poor areas, only three or four percent __________ online.
| A．is; is | B．are; are |
| C．is; are | D．are; is |
The factory used 65 percent of the raw materials, the rest of which __________ saved for other purposes.
| A．is | B．are |
| C．was | D．were |
The secretary and principal __________ at the meeting now.
| A．are speaking | B．is speaking |
| C．were making a speech | D．have a speech |
We all think Mr. Smith __________ a new house if more new houses __________.
| A．should be given; are built | B．will be given; will build |
| C．is given; will be built | D．should give; are built |