—I have a basketball ________ two baseballs.
—Well，I have a basketball，________ I don't have a baseball.
A．and；and B．but；and C．and；but D．but；but
答案
C
【详解】
句意：——我有一个篮球和两个棒球。——哦，我有一个篮球，但是我没有一个棒球。
and和，又；but但是，第一空表示并列成分，用and连接；第二空表示转折用but。根据题意，故选C。
Ted has ten soccer balls, _____he doesn't play them．
A．and B．with C．but D．of
Don’t fight in class __________don’t run in the hallways．
A．or B．so C．but D．and
Susan is good-looking，__________she’s a little hit short．
A．so B．with C．or D．but
Jane, please turn off the lights ______ you leave the classroom.
A．after B．before C．until D．but
--Hurry up! The bus is coming．
--Wait a minute．Don't cross the street ________ the traffic lights are green．
A．until B．after C．while D．since
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