_________the__________oftheclass,heplayedaverybeautiful...
問題詳情：
_________ the __________ of the class, he played a very beautiful song.
A. In, begin B. At, begin C. In, beginning D. At, beginning
【回答】
D
知識點：介詞和介詞短語
題型：選擇題
問題詳情：
_________ the __________ of the class, he played a very beautiful song.
A. In, begin B. At, begin C. In, beginning D. At, beginning
【回答】
D
知識點：介詞和介詞短語
題型：選擇題
