must have done表示“一定已经做了某事”,can’t have done表示“不可能已经做了某事”,should/ought to have done表示“本来应该做某事但实际未做 ,shouldn’t/oughtn’t to have done表示 本来不应该做某事但实际已做”,Ileedn’...
例句:It is necessary to shake hands when you first meet someone. 与第一次见面的人握手是非常必要的。 2.The harderyou work at it,the more progressyou will make. 你工作越努力,...
return sb. sth. = return sth. to sb. 把某物还给某人 send sb. sth. = send sth. to sb. 把某物送给某人 sell sb. sth. = sell sth. to sb. 把某物卖给某人 serve sb. sth. = serve s...
make sense 有道理;合乎情理;表述清楚 Then think about what other words would make sense in the sentence. 12 高中新外研版 -> 必修三 -> Unit 5 pretend to do sth 假装做某事 ...
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