题目内容
“How long do you suppose it is _______ he left for Japan?” “No more than half a month.”
A. when B. before
C. after D. since
D。
解析:
问句的基本结构是“It is +时间段+since 从句”,其原句型是 I suppose it is no more than half a month since he left for Japan. 假若对此句中的 no more than half a month 提问,则可得到提问句。
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