----My mother is ill in hospital.
——_______.
A. That’s OK
B. All right
C. Thank you
D. I’m sorry to hear that.
Wei Wei is _________________.
A. five—year—old boy
B. a five years boy
C. five years old boy
D. a five—year—old boy
My mother often spends 2 hours ______ housework every day.
A. do B. does
C. doing D. to do
— Must I come at four o’clock?
— Oh, no, you ________.
A. don’t
B. mustn’t
C. don’t have to
D. can’t
It’s too cold. You had better ______ your coat.
A．don’t take off
B. not take off
C. don’t put on
D. not put on
-Would you mind _______ the window?
-Of course not. I feel hot, too.
A. not open
B. not opening
C. opening
D. to open
