单项选择题

He has established himself to be a competent manager by his successfully handling several difficult tasks.

A．definite
B．effective
C．qualified
D．deficient
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单项选择题
Do you believe these two intimate friends used to be enemies
A．bearable
B．internal
C．close
D．believable
单项选择题
A beautiful woman attended to me in that store yesterday.
A．waited on
B．talked to
C．spoke to
D．stayed with
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