I heard him______ outside.A.sangB.to singC.singingD.sings

I heard him______ outside.A.sangB.to singC.singingD.sings

题型:不详难度:来源:

I heard him______ outside.
A.sangB.to singC.singingD.sings

答案
C
解析

试题分析:hear有两个用法,一个是hear sb.doing sth.表示“听见某人正在做某事”;一个是hear sb.do sth.表示“经常听见某人做某事”。通过此用法可知,ABD是不正确的,故选C,意思是“我听见他正在外面唱歌。”
点评:对于hear的两个用法,应该重点把握。像hear用法一样的词还有see、find、watch等。
举一反三

I think a good friend makes me______.
A.laughB.to laughC.laughsD.laughed

题型:不详难度:| 查看答案
It is necessary _____ something to protect our environment.
A.doB.to doC.doesD.doing

题型:不详难度:| 查看答案
It is very hot today. What about _____ swimming?
A.goB.goesC.goingD.went

题型:不详难度:| 查看答案

Daming likes _____ in the morning everyday.
A.runB.runsC.runingD.running

题型:不详难度:| 查看答案

Students are supposed ________ hard at school.
A.studyingB.studiedC.to studyD.study

题型:不详难度:| 查看答案
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