问题
选择题
We are a team so we must assist one another _____ completing the task．
A．with
B．to
C．at
D．in
答案
答案：D
本题考查介词。assist sb. in doing sth.帮助某人做某事，选D。
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We are a team so we must assist one another _____ completing the task．
A．with
B．to
C．at
D．in
答案：D
本题考查介词。assist sb. in doing sth.帮助某人做某事，选D。