Tom kept quiet about the accident ______ lose his job.
#90523
A
so not as to
B
so as not to
C
so as to not
D
not so as to
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The river is said __________ in a fire during the past 10 years. 
#91800
A
to have polluted
B
it has been polluted
C
to pollute
D
to have been polluted
I am _________down my thoughts about it.
#96517
A
write
B
writes
C
writing
D
wrote
Several months later, he found his deskmate very difficult _______.
#96570
A
to get along with
B
getting along with
C
to get along
D
to be gotten along with