They need to study hard at school.(做两句否定句,两句一般疑问句)
(一个是need动词用法,一个need的情态动词用法)
人气:482 ℃ 时间:2019-08-21 15:14:16
解答
They don't need to study hard at school.
They needn't study hard at school.
Do they need to study hard at school?
Need they study hard at school?
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