题目内容

- Where are you?- I’m upstairs. I ________ (sweep) the floor.

A. was sweeping
B. am sweeping
C. sweep
D. was swept

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I thought he ________ that evening party.

A. would not attend
B. will not attend
C. will attend
D. won't attend

The scientist (die) in 2015. He (be) ill since 2012.

A. died; was
B. had died; was
C. died; had been
D. had died; had been

土钉墙是以土钉作为重要受力构件，由被加固的原位土体中密集的土钉群、附着于坡面的混凝土面层和必要的防水系统组成，形成一个类似重力式的挡土墙的支护结构。

A. 对
B. 错

地下连续灌注桩的构造要求，顶部不设钢筋混凝土冠梁。

A. 对
B. 错