Theyasked________toimprovethecondit

发布时间：2020-07-27 01:31:16

Theyasked ________ to improve the condition of the soil.A.that it was easyB.if that was easyC.whether it was easyD.when was it easy.

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C解析ask为询问的意思，后面接表示选择的句型，whether是否
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