Mikeoftenexercises
問題詳情：
Mike often exercises ______ half an hour in the morning.
A. at B. of C. with D. for
【回答】
D
知識點：介詞和介詞短語
題型：選擇題
問題詳情：
Mike often exercises ______ half an hour in the morning.
A. at B. of C. with D. for
【回答】
D
知識點：介詞和介詞短語
題型：選擇題
