--How many students are there in your class? --Forty-five.A. at allB. in totalC. in the en

问题补充：

--How many students are there in your class?

--Forty-five.

A. at all

B. in total

C. in the end

D. in the total

答案：

A. at all

B. in total

C. in the end

D. in the total

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