题目内容
----____________when has he started boxing?
----2006, I suppose.
A. In B. Since C. Before D. After
B
解析:
主句是现在完成形式,所以选Since。 Since 2006 he has started boxing.
的状语(副词,介宾形式或主语从句)后面跟上一个一般疑问句形式。
练习册系列答案
相关题目
题目内容
----____________when has he started boxing?
----2006, I suppose.
A. In B. Since C. Before D. After
B
主句是现在完成形式,所以选Since。 Since 2006 he has started boxing.
的状语(副词,介宾形式或主语从句)后面跟上一个一般疑问句形式。