The highest award was given to Anna, who _____ so hard on the project for years,
题型：0103 模拟题难度：来源：
| The highest award was given to Anna, who _____ so hard on the project for years, and at last her efforts paid off. |
A. has worked
B. worked
C. was working
D. had been working |
答案
举一反三
| The Chinese government _____ research into vaccine against H1N1for months, recently many have received the first doses. |
A. is doing
B. has done
C. had been doing
D. did |
— Why were you wet through when you came to the meeting?
— Because I _____ in the gym. |
A. work out
B. had been working out
C. was working out
D. had been worked out |
| The coal miners ____ in the coal mine for 10 hours before we came to their rescue. |
A. had trapped
B. had been trapping
C. had been trapped
D. would have been trapped |
| When Alice came to, she did not know how long she _____ there. |
[ ] |
A. had been lying
B. has been lying
C. was lying
D. has lain |
| The two friends ____ on the Internet for three hours, and they would go on till the next morning. |
A. had been chatting
B. had chatted
C. were chatting
D. have been chatting |
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