before doing与before do
What do you do to the prawns before you_____them?
A.frozen.B .froze.C.freeze.D.freezing
求解答〜〜〜
人气：418 ℃ 时间：2020-02-04 04:41:30
解答
freeze,前后时态必须一致,都是一般现在时请问什么时候是doing呢〜what are you doing to the prawns before you freeze them?
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