Thelittleboyisseriousabout

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问题详情:

Thelittleboyisseriousabout

The little boy is serious about ________ in the evening.

A.to run   B.ran   C.run  D.running

【回答】

D 点拨:本题用固定搭配法解题。be serious about doing sth. 认真做某事。故选D。

知识点:构词法

题型:选择题

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