Find the mistakes and correct them. 找出句中的错误并改正。
( ) 1. The teacher is siting on a chair.
A B C
( ) 2. I want to buy some apple.
A B C
( ) 3. How many donut are there?
A B C
( ) 4. I need a new short.
A B C
( ) 5. My pyjamas is too small.
A B C
( ) 6. Red is my favourite fruit.
A B C
( ) 7. These are a pair of shoes.
A B C
1. B siting-sitting 2. C apple-apples 3. B donut-donuts 4. C short-shorts
5. B is-are 6. C fruit-colour 7. A These are-This is