34. It was extremely hot last summer. it was the hottest summer of the last 50 years.A.

问题补充：

34. It was extremely hot last summer. , it was the hottest summer of the last 50 years.

A. At last

B. In fact

C. On average

D. For example

答案：

A. At last

(答案→)B. In fact

C. On average

D. For example

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