—Have you ever________to a zoo?
—Yes,but only once.I visited Beijing Zoo last year.
A.gone
B.been
C.visited
D.seen
—The radio is too noisy and there is nothing interesting on it.Why don’t you________?
—All right.I’ll do that.
A.turn it on
B.turn it off
C.turn it back
D.turn it up
My friend,Darren,is coming to visit us.I’m looking forward________him.
A.meet
B.meeting
C.to meet
D.to meeting
—When did you become a volunteer?
—I________in this group since 2008.
A.joined
B.took part
C.have joined
D.have been
Basketball is so popular a game that________people play it for fun and exercise.
A.million of
B.millions of
C.millions
D.two millions
—I have bought a nice dress.
—Where________you________it?
A.have;bought
B.did;buy
C.will;buy
D.do;buy