While the dog, you should take care not to get loose . Otherwise, it may be dangerous to

发布时间：2020-08-16 19:37:46

While      the dog, you should take care not to get loose . Otherwise, it may be dangerous to strangers.
A. walking;
B. walked
C. walking for
D. training for

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(答案→)A. walking;
B. walked
C. walking for
D. training for
解析：考查状语从句的省略。“在遛狗时注意不要松手，否则狗会威胁到陌生人。”While （you are）walking the dog---
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