题目内容
19.-Whose notebook is this?-It ______ be Tom's.It has his name on it.( )
| A. | must | B. | may | C. | might | D. | can't |
分析 句意:"--这是谁的笔记本?"
"--一定是汤姆的.上面有他的名字."
解答 A.must 一定;B.may 可能;C.might 可能,比may更具有不确定性;D.不可能. 根据It has his name on it(上面有他的名字),可以推测,这肯定是他的书,语气很肯定,很强烈,故而为must(一定),选A.
点评 考查情态动词辨析,对情态动词意思的准确理解是解题的关键.
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