问题
选择题
When you cross the road, you should be ________ and walk ________. [ ]
A. carefully; careful
B. careful; carefully
C. careful;, careful
D. carefully; carefully
答案
答案：B
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When you cross the road, you should be ________ and walk ________. [ ]
A. carefully; careful
B. careful; carefully
C. careful;, careful
D. carefully; carefully
答案：B