---How many days are there in a week?---.A. FourB. SevenC. TwelveD. Twenty-four

问题补充：

---How many days are there in a week?

---.

A. Four

B. Seven

C. Twelve

D. Twenty-four

答案：

A. Four

(答案→)B. Seven

C. Twelve

D. Twenty-four

解析：本题的含义是一周有多少天，一周应该有7天，seven是7的意思，故本题选B。

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