题目内容

—Did you see who the runner was？ —No, he was opposite the playground______I couldnt get a

A. so that
B. even though
C. as if
D. in case

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People were not allowed to enter the reading room because it______ then.

A. had been painted
B. was being painted
C. was painting
D. painted

—How long did the meeting last yesterday afternoon？ —It was almost supper time______the meeting was over.

A. that
B. until
C. when
D. which

做现场心肺复苏术前，一般首先检查溺者有无意识。检查必须要在（）秒内完成。

A. 2
B. 3
C. 4
D. 5

单人做成人溺者心肺复苏时，吹气的频率应该是（）次/分。

A. 20
B. 16
C. 15
D. 12