问题
DrMaoperated_______over150patients_______hisvisittothatpoortown. [ ]
A: in,while
B: on,during
C: for,in
D:on,for
B: on,during
C: for,in
D:on,for
正确答案是：
同类题型
They didn’t know what I was talking about because they didn’t listen ___________.
This is ______ book I’ve told you about. It’s written by ______ university teacher.
I first met him_____a hot summer evening.[ ]
Recent pressure at work may___ his behavior.
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