92. It has been announced that candidates shall remain in their seats until all the papers have been collected. 据宣布,直到所有试卷收上去,应考者必须一直待在座位上。 93. Oh,...
4、have (has) been to 和have (has) gone to 的区别 have (has) been to:去过某地(表示某人的一种经历),可以和once, twice, often, never, ever 连用。 have (has) gone to:去某地了(表示某人已经离开此地,在去某地的路途上或已在某地,所以一般来说此句型只用于第三...
A. must have taken B. may have taken C. may have been taken D. should have been taken 7、Since this road is wet and slippery this morning, it ___ last night. A. must rain B. was raining C. must have rained D. may rain 8、She ___ be ill because I sa...
A. were reading B. had read C. have read D. read 18. A lot of my friends want to buy that kind of cloth because they ___ the cloth ___ well. A. have told; washes B. have been told; washes C. was told; washed D. have been told; is washed 19. The you...
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