Ⅳ. Choose the best answer.（选择最佳答案。）
( )1. What is this story ______?
A. about
B. of
C. in

( )2. What ______ I do?
A. am
B. does
C. should

( )3. John broke (打碎) his neighbor's window. His mother is ______ with him.
A. angry
B. happy
C. worried

( )4. — What should I do?
— ______ and count to ten.
A. Take a deep breath
B. Doing more exercise
C. Seeing a doctor
( )5. — How ______ you feel now?
— Not well.
A. do
B. does
C. are
( )6. It is a ______ day.
A. rainy
B. rain
C. sun
( )7. How ______ your parent feel?
A. does
B. do
C. is
( )8. ______ be sad.
A. Don't
B. Do
C. Isn't
( )9. It's cold. You should wear ______ clothes.
A. cold
B. warm
C. dress
( )10. — Why is the cat angry? — ______
A. Because the mice are bad.
B. Because the cat is worried.
C. Because the mice are good.