must 表示 主观想法,我们必须要要注意自己的礼节
can 是能够,可以
may 是可以,可能
had to 是have to 的过去时态,表示客观must可以用在这里的过去式中吗可以
She said that we （must）pay attention to our manners.为什么用must?A.CAN B.MAY C.MUST D.HAD TO
She said that we （must）pay attention to our manners.为什么用must?A.CAN B.MAY C.MUST D.HAD TO
英语人气：413 ℃时间：2019-10-23 04:14:04
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