( )— Where is the city of Nanjing?
—It’s _________ Shanghai.
A. in the north of B. in the south of C. in the east of
Bill is a student. Betty is a student，________．
A．either B．too C．also
I like playing football ________ hockey.
A．but B．and C．or
Mike ________America.
A．comes from B．come from C．is come from
We play football ________the field.
A．on B．in C．at
They are playing hockey________．
A．yesterday B．tomorrow C．now