A.couldn’t B.might not

C.can’t D.mustn’t

【题目】Water is very dangerous sometimes. So we must be careful ______ it.
A.of
B.with
C.to
D.in

【题目】________ volunteers will give out leaflets to ask people to protect the wetlands.
A.Two hundreds
B.Hundreds of
C.Two hundred of
D.Hundred of

【题目】I thinkis good to relax by listening to music.
A.this
B.that
C.one
D.it

【题目】Bob didn't feel well, so I tookplace to make the plan for the competition.
A.my
B.her
C.his
D.your

A.did B.didn’t C.have D.haven’t

A.will have B.is going to be

C.is going to have D.is having

—Yes.Li Bai's thoughts on a Silent Night(《静夜思》)has been put onto it．

A．/ B．the C.a D.an

－It APEC blue.But too bad it no longer stays that way．

A.is called B.are called C.called D.calls

A.and B. but C. / D. or