题目内容
19.-Where is the old blue bag?-I'm not sure,but it ____be thrown away.It ___be somewhere in the house.I saw it yesterday.( )
| A. | can't,must | B. | must,can | C. | must,must | D. | can't,can |
分析 -这个旧的蓝色书包在哪里?
-我不确定,但是它不可能被扔掉,它一定是在房间的某个地方,我昨天还见到了.
解答 答案:A.
can't不可能;can可能;must一定,必须;根据I saw it yesterday,可知我昨天还见到了,所以它不可能被扔掉,它一定是在房间的某个地方,所以第一个空用can't,第二个空用must.故选A.
点评 本题考查了情态动词的用法.解答时注意理解句意以及所给选项的意思并作出正确选择.
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