You don't know the way. Why ______ the policeman for help?
A. don't ask B. no ask
C. not ask D. not to ask
—Would you mind looking after my dog while I’m on vacation?
—___________.
A.Of course not
B.Yes,I’d be happy to
C.Not at all ,I have no time
--Did you call Fred back?
--I didn't need to, I'll see him tomorrow.
A. because B. unless
C. when D. though
We had _______ 7-day holiday during this National holidays, but some of us felt unhappy because of _________heavy traffic on the highways.
A. an, the B. a, the
C. a, a D. an, a
— do you feel when you leave your mum and dad?
—I feel a bit sad.
A. What B. How
C. Why D. When
_____ is important for us to help poor children.
A. This B. It
C. That D. None
