单项选择题

A．careful
B．careless
C．courteous
D．cautious
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单项选择题
A．andB．inC．intoD．from
A．and
B．in
C．into
D．from
单项选择题
A．hasB．hadC．has hadD．had had
A．has
B．had
C．has had
D．had had
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