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题目内容
（广东开放大学 英语语法与基础写作）
After such a long walk, they were all very tired, but none of them _______.
选择一项：
A. stop to have a rest
B. stop having a rest
C. stopped having a rest
D. stopped to have a rest
选择一项：
A. stop to have a rest
B. stop having a rest
C. stopped having a rest
D. stopped to have a rest
参考答案
