He is kept in the dark and is not _______ that the company is losing money.
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A
known
B
known about
C
aware
D
aware of
推荐题目
 This club _______ more than 200 members.
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A
is consisted of
B
is consisting
C
consists of
D
consist of
With the help of high technology, more and more new substances ______ in the past 10 years.
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A
discovered
B
have discovered
C
had been discovered
D
have been discovered