单项选择题

——How many elephants have you seen ——.

A． None
B．Nothing
C．No one
D．No
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单项选择题
——Where are the ——They are playing football on the playground.
A．boys students; the
B．boy students; the
C．boy student; /
D．boy students; /
单项选择题
—Peter,where did you guys go for the summer vacation—We working for months,so we went to the beach to relax ourselves.
A．were
B．have been
C．had been
D．will be
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