摘要:-Haven’t you seen the notice “No photos here ? -I am sorry,I . A.is allowed taking;didn’t notice B.should be allowed to take;haven’t noticed C.is allowed to take;was not noticing D.should be allowed taking;was not noticing 答案:C 第一空考查“allow sb.to do sth. 的被动结构:sth.is allowed to be done.第二空考查过去进行时的用法.表示在刚才说话时正在进行的动作或状态.

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