单选题：In order to __________ with the advanced countries ,we must

题目分类：英语
题目类型：单选题
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题目内容：

In order to __________ with the advanced countries ,we must keep learning. A．catch up
B．get along
C．put up
D．go on

参考答案：

答案解析：

第55题_________

第55题_________

分类：英语题型：单选题

第53题_________

第53题_________

分类：英语题型：单选题

After climbing for two hours we were glad to take __________

After climbing for two hours we were glad to take __________ rest.A．a few minut

分类：英语题型：单选题

第54题_________

第54题_________

分类：英语题型：单选题

What is the advice given in the text?

What is the advice given in the text?A．Never drive faster than 30 miles an hou

分类：英语题型：单选题