問題詳情:
The experiment has been finished, but no one knows what great difficulty I had __ it.
A. making B. made C. to make D. for making
【回答】
A
知識點:非謂語動詞
題型:選擇題
問題詳情:
The experiment has been finished, but no one knows what great difficulty I had __ it.
A. making B. made C. to make D. for making
【回答】
A
知識點:非謂語動詞
題型:選擇題