单项选择题

When the engine did not start, the mechanic inspected all the parts to find what was at ______.

A．wrong
B．trouble
C．fault
D．difficulty
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单项选择题
What things in life are you most desirous ______ attaining
A．to
B．for
C．with
D．of
单项选择题
The new secretary has written a remarkably ______ report only in a few pages but with all the details included.
A．concise
B．clear
C．precise
D．elaborate
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