改错。
( )1. Did you enjoy you yesterday, my children? ________
A B C D
( )2. He taught his son how mend bikes. ________
A B C D
( )3. It's very hot outside or it's cool here in the room. ________
A B C D
( )4. Let me to help you look for your ruler. ________
A B C D
( )5. Our teacher said the earth went round the sun. ________
A B C D