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---Does Mr. Hill have a bad cold?

---            . He can't go to school until next week.

A. I think so                          B. I think it         

C. I think not                            D. I don't think so.

- Does Mr Hill have a bad cold?

- ____________ . He can’t go to school until next week.

A. I think so

B. I think it

C. I think not

D. I don’t think so.