单项选择题

Customer service stands out as the area where WestNet falls most behind, with 43.8 percent of its users in the survey saying "its security does not come______".

A．up to scratch
B．up in the air
C．up to date
D．up to the minute
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单项选择题
The boy was not ______ by the laughter of his classmates.
A．abashed
B．flushed
C．blushed
D．coloured
单项选择题
You have to be pretty dumb to be ______ in by an offer like that.
A．given
B．let
C．taken
D．believed
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