单项选择题

There are still several unanswered questions ______ with the accident.

A．connect
B．to connect
C．connected
D．connecting
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单项选择题
Eight people, ______ two women and two babies, were injured in the accident.
A．include
B．includes
C．including
D．included
单项选择题
A lot of travelers ______ down the wrong road by the wrong sign.
A．had been misled
B．had misled
C．hadn't led
D．hadn't been led
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