I'm sorry________.
A. keep you waiting
B. to keep you waiting
C. to keep you wait
D. keep you wait
_____he come to chat with your father?
A. Did.
B. Do.
C. Were.
D. Was
You’d better _______ play computer games for a long time.
A. to
B. not to
C. not
D. /
_________Lovely day! Let's go for a walk.
A. What a
B. How a
C. How
D. What an