He was in great trouble, but he acted _______ nothing had happened. A．even ifB．a_刷题宝

题干

He was in great trouble, but he acted _______ nothing had happened.

A．even if

B．as if

C．unless

D．until

上一题下一题 0.64难度单项选择更新时间:2011-03-14 04:19:29

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