单项选择题

She stayed at home during the whole summer vacation（）she could look after her old grandmother.

A. in case
B. now that
C. so that
D. as though

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单项选择题
What’s wrong with the boy（）

A. He caught a bad cold.
B. He hurt himself.
C. He had a fever.
D. He got a headache and cough.
填空题
tired
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