---Who will address the students from our school this evening? --- to be the speaker.A.

问题补充：

---Who will address the students from our school this evening?

--- to be the speaker.

A. I am supposed

B. I will suppose

C. I have supposed

D. I was supposing

答案：

(答案→)A. I am supposed

B. I will suppose

C. I have supposed

D. I was supposing

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