The factory was built in a secret place, around _________ high mountains. 
#73444
A
which was
B
it was
C
which were
D
them were
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I didn’t understand ________led him to be late for three times every week.
#73685
A
what it was that
B
it was where that
C
how it was that
D
why was it
I don’t know the reason _________ he’s come so late.
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A
/
B
for which
C
why
D
all the above
 ________, he also had a son in college who had taken a bank loan to pay for his studies.
#70031
A
Make matters worse
B
What worse
C
To make matters worse
D
To make thing worse
I wondered ___.
#71577
A
what the matter was
B
what was the matter
C
the matter was what
D
was the matter what