题目内容

建造在地表以下的建筑称为地下建筑（）

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He gave the order that nothing _____ until the police arrived.

A. was touched
B. is touched
C. be touched
D. could be touched

隧道发生火灾，可利用移动排烟设施在上风隧道口排烟（）

地下建筑通道曲折狭窄，水枪射流受角度影响不能充分发挥作用，因此扑救时间较长（）

They fulfilled the plan much earlier than they _____

A. have expected
B. are expected
C. were expected
D. had expected