6) He has never made a serious mistake at work.
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7) What has the weather been like recently?
A. P
B. PP
8) Kent went to school part-time while he worked full time.
A. P
B. PP
9) Robert has received two promotions so far.
A. P
B. PP
10) Tian Lei has decided to look for a job in a larger company.
A. P
B. PP
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