【題目】Who is Jack probably talking with?

A. His mother. B. His teacher. C. His dentist.

【答案】A

【解析】W: Jack, have you brushed your teeth?

M: No, I already brushed them this morning. I’m busy playing my X-Box!

W: Jack, you know you have to brush them twice a day. Dr. Brunswick said so. Don’t talk back. Just go do it now.

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