选出错误的一项并改正。
( )1. Let's to help him. _________
A B C D
( )2. The Blacks did his best to make me feel at home. _________
A B C D
( )3. They are in the same classes. _________
A B C D
( )4. Her brother doing his homework now. _________
A B C D
( )5. I really enjoy to swim in summer. _________
A B C D
( )6. This is the key of the door. _________
A B C D
( )7. We have no any time to waste. _________
A B C D
( )8. Walk is helpful for our health. _________
A B C D
( )9. What does your mother does? _________
A B C D
