题目内容
They congratulated us and also urged us ________ our good work.
[ ]
A.to catch up
B.to catch up with
C.to keep up
D.to keep up with
答案:C
提示:
提示:
|
keep up 继续(某活动) |
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题目内容
They congratulated us and also urged us ________ our good work.
[ ]
A.to catch up
B.to catch up with
C.to keep up
D.to keep up with
|
keep up 继续(某活动) |