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The physics problem is too diffcult for us_____.
A;work it out B;to work it out C;to work out it D;to work out
以及选的理由.
人气:217 ℃ 时间:2020-09-20 06:53:24
解答
有“It is difficult for sb.to do sth.”这个句型吧;
Work out = Vi.+ Adv.
it 是 pron.放中间
所以选择B吧.
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