Find the mistakes and correct them. 找出并改正句中的错误。
( ) 1. Here is nine apples.
A B C
( ) 2. She is laughing. She is sad.
A B C
( ) 3. You needs a bandage.
A B C
( ) 4. Jenny call the doctor.
A B C
( ) 5. My knee is bleed.
A B C
l. A is-are 2. C sad-happy 3. A needs-need 4. A call-calls 5. C bleed-bleeding