You ________ worry about him. He will get well soon.A. needn’t B. can’t C. mustn’t
______ do you like science? --- Because it is fun.A. Why B. When C. What
What’s _____ favorite color? --- Yellow.A. Scott is B. Scotts C. Scott’s
September is ______ month of the year.A. nine B. ninth C. the ninth
The red socks _______ two dollars.A. is B. are C. has
Do you have a pen? ---No, I _______.A. do B. don’t C. am