第7题: [填空题]Jim fell off his bike because he wasn’t looking where he was going.
paying
If Jim ____________________ to where he was going, he
wouldn’t have fallen off his bike. 参考答案:had been paying attention 答案解析:用过去完成时。
A. have told B. tell C. be telling D. having told 参考答案:A 答案解析:本题考查ought to的用法。ought to后接不定式,排除[D]项;由题意“Tom是不应该告诉我你的秘密,但他并没有恶意”,可知Tom已经告诉了我,因此要用不定式的完成式。