题目内容

布朗太太上周生病时,她的三个女儿轮流照顾她。

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A. what
B. which
C. as
D. so

无菌包在未污染和干燥情况下,有效期为

A. 5~7天
B. 7~10天
C. 10~14天
D. 14~21天
E. 1个月

At ______ (night) you hear the clock strike twelve.

Where did Jim paint the pictures

At home.
B. In the kitchen.
C. At school.

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