The government declared the ban____ everyone must go to the front.
#71562
A
which
B
that
C
不填
D
what
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There comes a time in every man's life_____. 
#72352
A
that he needs to think
B
when he has to think
C
therefore he has to work hard
D
then he will need it
 This is the very knife _____ I used to cut apples yesterday.
#73482
A
that
B
by which
C
which
D
with which