下列各句A、B、C、D中有一处错误，请在不改变句子意思的前提下，将正确的答案写在题后的横线上。
1. We are going hiking on Zijin Mountain if it won’t rain tomorrow,.
A B C D ( ) __________
2. Traffic mustn’t cross the roads when the traffic lights are red. Walkers mustn’t do it, too.
A B C D
( ) __________
3. Although he was very tired, but he still cleaned the classroom before he left.
A B C D ( ) __________
4. He couldn’t walk as fast as the others because his bad leg?
A B C D ( ) __________
5. It’s hard of Sandy to finish the work in an hour.
A B C D ( ) __________
1. D doesn’t 2. D either 3. B 删除 4. D because of 5. A for