The policeman is still not sure ______ the young man killed himself or was killed.
A．if B．that C．whether D．weather
It’s Sunday morning. We _______ get up early.
A．haven’t to B．hasn’t to
C．don’t have to D．have not to
He was _______ with breaking _________ several computer systems.
A．charging; on B．to charge; in
C．charged, into D．charges; to
You had better _________ wine because you have to drive back home.
A．not drink B．don’t drink
C．not to drink D．won’t drink
—We can use QQ to talk with each other on the Internet.
—Really? But can you tell me _______it.
A．how I can use B．how can I use
C．why can I use D．when I can use
We had _______ 8-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
