单项选择题


A．for a time
B．for some time
C．at a time
D．in a time
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单项选择题
A．information that haveB．information they haveC．information that hasD．information that was
A．information that have
B．information they have
C．information that has
D．information that was
单项选择题
A．even thoughB．thoughC．as ifD．because
A．even though
B．though
C．as if
D．because
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