This case is too heavy. Could you me a favor?Ato do B.doing C.do

发布时间:2020-08-22 07:31:02


This case is too heavy. Could you      me a favor?
A.to do               B.doing           C.do

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解析:此题考查情态动词could的基本用法,其后跟动词原形。Do sb a favor表示给某人帮个忙。故选C。
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