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