A.the；aB.a；theC.a；aI work in（）IT Department of（）large b……

单项选择题There（）three plants in the corners of the room.

A.is
B.are
C.have

单项选择题Polly enjoys（）the guitar in a band in her Free time.

A.play
B.to play
C.playing

单项选择题Wang Li is（）a new marketing campaign at the moment.

A.plan
B.planing
C.planning

单项选择题The Business Banking Department is on（）floor.

A.Second
B.the two
C.the Second

单项选择题He's responsible（）the central computer system.

A.in
B.for
C.of