题目内容
3.The doctors did all they the sick man back to life.
A.could bring B.could to bring
C.could bringing D.could to bringing
B
解析:
这句话的意思是“医生们做他们能够做的一切来挽救这个病人的生命”。do all they can(do)to do…可以理解为定语从句,其先行词是all,关系代词that被省掉。此外还可以表达为do everything(that)they can(do)to do…或do what they can(do)to do…。
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