题目内容

If the lights were on, they___have been at home.

A. must
B. need
C. shall
D. would

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室内噪声的测定：用声级计测定，其测定点以房间中心离地面高度()m处。

A. 0.5
B. 0.8
C. 1.0
D. 1.2

不属于施工准备的内容()。

A. 技术准备
B. 物资准备
C. 组级准备
D. 分项工程施工准备

The manager demands that I meet five ___ at the exhibition tomorrow.

Australians
B. Australia
C. Australias
D. Australian

The guest presented ______ that a staff in the hotel had stolen her pack.

A. proof
B. proofs
C. prooves
D. proofes