John'sscoreonthetestisthehighestintheclass;he____lastnight.
A、muststudyC
「句意」 约翰的考试分数全班最高;他昨天晚上一定学习了。
「难点」 表示对过去某一动作行为的猜测须要用must have done 这一句型结构。
_____ your timely advice,I would never have known how to go about the work.
The Bent Pyramid outside Cairo __________ ancient Egypt ’s first attempt to build a smooth-sided pyramid.
He resented _____ to wait. He expected the minister _____ him at once.
Time _____, the celebration will be held as scheduled.
Even if his letter____tomorrow ， it____too late to do anything.
