Question

7. —Was the lecture successful?

Yes,really. There were  2,000 people who had been there.

   A. at least   B. at once

   C. at most   D. at present

Answer 1

7. A

7. A解析:句意:“演讲成功吗?”“是的，的确 很成功。至少有两千人去听了。”根据前面 的“Yes,really. ”可知演讲很成功，推知去听 的人很多，应该用at east“至少”。

at once 意为“立刻；马上”;at most意为“至多”;at present意为“目前;现在”。