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which of the answers is wrong?you____not touch that bottle,children,it's dangerous
Ahave to BmustCcanDshould
人气:443 ℃ 时间:2020-04-07 18:37:29
解答
我觉得是A.
have to 的否定式和疑问式一般要借用助动词do的适当形式构成.have to 的否定式是don’t have to.例如:
He doesn’t have to do the homework now.
他没有必要现在做作业.
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