In the last sentence of the first paragraph the phrase "engaged in" could best be rephras

外语类 正确答案 已帮助 人

In the last sentence of the first paragraph, the phrase "engaged in" could best be rephrased by which of the following?

A.Committed to.

B.Involved in.

C.Attentive to.

D.Engrossed in.

请帮忙给出正确答案和分析,谢谢!

热搜:物联网英文为internet of things