--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
—______ do I take the medicine ?
— Three times a day.
A. How often B. How long
C. How soon D. How much
— Could you please help me carry this box?
—________
A. Thank you. B. No problem.
C. It doesn’t matter. D. That’s all right.
