第一节 单项填空
阅读下面的句子和对话，从[A]、[B]、[C]三个选项中选出一个能填入空白处的最佳选项。
Our teacher asked us ______so much noise.
A. not make
B. doesn't make
C. not to make
If parents both smoke, who has a worse effect on children？
A. Mother.
B. Father.
C. Both.
Doctors in Boston studied 1,000 children to______.
A. examine whether these children were healthy
B. find out who smoke
C. find out the condition of children whose mother smoke
“An exclamation mark”in the story means______.
A. 逗号
B. 句号
C. 感叹号
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