_________the__________oftheclass,heplayedaverybeautiful...
问题详情：
_________ 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
知识点：介词和介词短语
题型：选择题
问题详情：
_________ 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
知识点：介词和介词短语
题型：选择题
