--What is the matter with you?--I caught cold and had to stay in bed.A. a; /B. a; theC. a;

问题补充：

--What is the matter with you?

--I caught cold and had to stay in bed.

A. a; /

B. a; the

C. a; a

D. the; the

答案：

A. a; /

B. a; the

C. a; a

D. the; the

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