The boy became fatter and fatter each day and __________ made his parents sad.
#33223
A
which
B
what
C
he
D
it
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Scientists say it may be one year or so ________ it is possible to test the new medicine on human patients.
#32551
A
when
B
after
C
before
D
since
. It’s not important __________ you may call it. What is important is __________ you make good use of it.
#33974
A
what; when
B
that; how
C
what; how
D
how; what