—______ will you come back from Shanghai? —In one month.
A．How long B．How often
C．How soon D．How fast
—I went to Daming Lake yesterday．There were ______ people.
—Yes．Everyone wants to go out on such a good day.
A．too many B．too much
C．many too D．much too
More and more people find ______ necessary to protect our earth．
A．it B．that C．this D．its
My father has ______ for two weeks．I miss him so much.
A．left B．leave
C．gone D．been away
The listening test usually ______ 20% of the English test．
A．makes of B．makes up
C．makes from D．makes in
—What’re the rules in class?
—First, mobile phones can’t be ______.
A．to use B．using C．used D．use
