题目内容
17.---Must I work out the problem right now?---Yes,you _______.It's very serious.( )
| A. | can | B. | must | C. | may | D. | should |
分析 --我必须现在解决这个问题吗?
--是的,你必须.非常重要.
解答 答案:B.A.can 能够 B.must必须 C.may 可能 D.should应该;Must必须,对于must引导的一般疑问句,肯定回答用must.故选B.
点评 情态动词是中考的热点,must理解为必须,由这个词所开头的问句,肯定回答用Yes,you must.否定回答用No,you needn't或者是No,you don't have to.注意不用mustn't,因为mustn't表示例行禁止的含义.
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