The Business Banking Department is on（）floor.

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

A.in
B.for
C.of

单项选择题（）you got any family?

A.Do
B.Have
C.Has

单项选择题Maria often has a walk with（）parents in the morning.

A.she
B.their
C.her

单项选择题She is（）only accountant in my son's company.

A.a
B.an
C.the

单项选择题（）name is Wanghua.

A.He
B.He’s
C.His