题目内容
He seemed as if he ___ his homework when his mother came in.
A. did B. is to be doing C. were doing D. be doing
C
解析:
这是以as if引导的条件状语从句,一般要用虚拟语气.这是与现在事实相反.所以选C
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题目内容
He seemed as if he ___ his homework when his mother came in.
A. did B. is to be doing C. were doing D. be doing
C
这是以as if引导的条件状语从句,一般要用虚拟语气.这是与现在事实相反.所以选C