--Do you have enough students to clean the laboratory?
--No, I think we need____________ students.
A．another B．two others
C．more two D．two more
A smile costs nothing, but gives so ______.
A．little B．few C．many D．much
_____you do, don’t miss this exhibition, for it’s so hard for me to get the tickets.
A．Whatever B．However
C．Whenever D．Whether
Each of us has __ _life goals, which will guide us to a bridge future. Without life goals, we may waste our lifetime.
A．a little
B．few
C．a few
—Do you know Li Na?
—Of course. She's a great tennis player_________ comes from Hubei, China.
A．who
B．what
C．which
—Oh, the traffic is so heavy.
—Let’s change _______ route to the airport.
A．other B．others
C．the other D．another
