practicing about 10 times, the students gave a concert.A. WhileB. WhenC. BeforeD. After

发布时间：2020-08-22 01:43:21

     practicing about 10 times, the students gave a concert.
A. While
B. When
C. Before
D. After

网友回答

A. While
B. When
C. Before
(答案→)D. After
解析：此题考查对四个单词的含义的考查，after表示…之后，后跟动词的现在分词。
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