1、up to now的句子应该用has done 还是had done?
用have done,因为是到现在,应该用现在完成时.
2、the clock _____(strike) twelve.这里用主动还是被动?
用主动,表示钟敲几点用主动
3、refuse后跟doing?
错,应该用to do
4______(speak)to,you should listen attentively.
用过去分词作状语,spoken,意思是当别人对你讲话时,你应该专心听.
5He couldn't bear________(make)fun of like that.
being made
6pretend doing?有没有pretend to do?
有
7found him sitting?found him seated?
都可以
8Never before________so many students_______(interest)in learning Eglish.
were,interested
9Why id you go there without telling me?Nos you see what has happened.You_______(let)me know when you left.
should have let,本应该做而没做的事
10_______(lose)can be a terrifying experience.
being lost失败,用动名词作主语.
11、With the crowds_________(cheer),the winners waved to them.
cheering现在分词作宾补.
12rather than do?prefer to do?prefer doing?
都可以
13The water was not fit______(drink)
