1 Unit 2第A题答案
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2 Unit 2第B题答案
12345abacb
3 Unit 2第C题答案
略
4 Unit 2第D题答案
123aef456bdc
5 Unit 2第E题答案
1. slowly，early
2. messy，clean，tidy
3. late
4. good，well，good
6 Unit 2第F题答案
1. He does not wash himself.
2. Because he is dirty.
3. He should brush his teeth and take a bath every day.
4. The elephant does.
5. Yes，they do.