John'sscoreonthetestisthehighestintheclass;he____lastnight.
C
「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。
_____ at in this way, the situation doesn ’t seem so desperate.
It is imperative that students _____ their term papers on time.
Theschoolisgoingthe________miletocreatethenextgenerationofsportingstarsthankstoitsuniquedevelopmentprogram.
Modern____perhaps causes more problems than it solves.
I never regretted _____ his offer, for it was not where my interest lay.