选择题：It may be necessary to stop ______in the learning

题目分类：语言/文学
题目类型：选择题
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题目内容：

It may be necessary to stop ______in the learning process and go back to the difficult points in the lessons.

A)at a distance B)at intervals

C)at case D)at length

参考答案：

Yor can hire a bicycle in many places. Usually you

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分类：语言/文学题型：选择题

My grandfather had always taken a _______interest

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.John cannot afford to go to university, _______go

.John cannot afford to go to university, _______go

分类：语言/文学题型：选择题

If you don’t like to swim, you _____as well stay a

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分类：语言/文学题型：选择题

哪里有比较好的英语四级复习资料?

哪里有比较好的英语四级复习资料?

分类：语言/文学题型：选择题