—You seem to have had that car for years

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问题选择题

—You seem to have had that car for years.

—Yes, I should sell it ________ it breaks down.[ ]

A. while

B. after

C. until

D. before

答案

答案：D

补全对话，情景问答

想一想，选一选。

1. 当你问别人“全家福上都是谁”时，你应说：[ ]

A. Who are they?

B. Who is it?

2. 当你想告诉别人“我家有三个家庭成员”时，你应说：[ ]

A. My family has four members.

B. My family has three members.

3. 当你向别人介绍你叔叔的体貌特征时，你可以说：[ ]

A. My uncle is thin.

B. My uncle likes music.

单项选择题

左心衰竭最早出现的临床症状是（）

A.疲乏无力

B.劳力性呼吸困难

C.阵发性夜间呼吸困难

D.夜间卧床时咳嗽

E.失眠、尿少、头晕