24. —Hi, Alice, you look tired.
—I am tired. I__________ the living room all day.
| A．painted | B．had painted |
| C．have been painting | D．have painted |
20. His sister left home in 1998, and______since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
32. Tens of thousands of trees _____ in the area in the past few years.
| A．have been planted | B．were planted | C．have planted | D．had planted |
26. — Why is little Jimmy so naughty today?
— He is bored, so he _____ a little silly.
| A．will be | B．is being | C．had been | D．would be |
In the last six to nine months，teens in the US to text messaging in numbers twice that in Europe and Asia．
| A．took | B．have taken | C．had taken | D．would take |
―Look! What a mistake! Why?
―Sorry, I _________ on it.
| A．don’t concentrate | B．hadn’t concentrated |
| C．haven’t been concentrating | D．wasn’t concentrating |
31．With the cell phone available, I can do whatever I want to do and still______in touch with my parents and friends．
| A．stay | B．to stay | C．staying | D．Stayed |
15. —When Lily fainted, we could have turned to your father for help.
—Yes, sending her to hospital _________ necessary.
| A．hadn’t been | B．wasn’t | C．wouldn’t be | D．weren’t |
14. Since the H1N1 flu is spreading, it’s necessary that whoever has a fever _________ to hospital as soon as possible.
| A．went | B．must go | C．has gone | D．Go |
17. By this time next summer, you _____ a high paying job. But I will still be studying.
| A．will find | B．are found | C．have found | D．will have found |
16. ----It’s getting dark, but Mr. Johnson is still at his office.
----No surprise. Who else can _____ he does?
| A．do less work than | B．work as hardly as |
| C．work as hard as | D．be working hardly like |
10. ----What’s that noise?
----Oh, I forgot to tell you. The new machine _____.
| A．was tested | B．will be tested | C．is being tested | D．has been tested |
32．—Why are you so sweaty?
--- I__________football with my classmates and how I want to have a drink!
| A．was playing | B．had been playing | C．have played | D．Played |
27．—Why is your professor so happy recently?
—Because the theory she insisted on ________correct．
| A．is proved | B．proving | C．was proved | D．has proved |
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