It long before we the result of the experiment.
A. will not be; will know
B. is; will know
C. will not be; know
D. is; know
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got into the roomthe telephone rang.
A. He hardly had; then
B. Hardly had he; when
C. He had not; then
D. Not had he; when
-Did you remember to give give Mary the money you owed her?-Yes, I gave it to her I saw her.
A. while
B. the moment
C. suddenly
D. once
The moment the 28th Olypic Games open, the whole world cheered.
A. declared
B. have been declared
C. have declared
D. were declared
集中填答法收集资料的优点包括
A. 节省调查时间人力
B. 保证填答的质量
C. 便于问卷的回收
D. 可以产生团队效力
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