An expert was to give a speech on how to learn English well.A. brought inB. brought onC.

发布时间：2020-08-17 13:38:13

An expert was      to give a speech on how to learn English well.
A. brought in
B. brought on
C. brought out
D. brought up

网友回答

A. brought in
B. brought on
C. brought out
D. brought up
解析：句意为“专家被请来，就如何学好英语发表演讲”。
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