He _____ eat anything for 24 hours. A.should B.need C.shouldn't D. must这四个词怎样区分

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He _____ eat anything for 24 hours. A.should B.need C.shouldn't D. must这四个词怎样区分

He _____ eat anything for 24 hours. A.should B.need C.shouldn't D. must这四个词怎样区分
He _____ eat anything for 24 hours. A.should B.need C.shouldn't D. must
这四个词怎样区分

He _____ eat anything for 24 hours. A.should B.need C.shouldn't D. must这四个词怎样区分
should
need
must 表示必须,他的语气是最重的
这里用should的否定,就是shouldn’t 表明他在24个小时内都不应该进食

从词义上理解就行,should应该,need需要,shouldn't不应该,must必须
anything应用于否定句或者疑问句(肯定句用something),所以此题选C:24小时内,他不能吃任何东西。