问题
选择题
While you are playing in the yard, please ____ the dog tied to the tree.[ ]
A. watch
B. watch out
C. watch out for
D. watch for
答案
答案：C
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While you are playing in the yard, please ____ the dog tied to the tree.[ ]
A. watch
B. watch out
C. watch out for
D. watch for
答案：C