____ printed, this science fiction will be popular among the students.
#67782
A
Before
B
Unless
C
When
D
Once
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Along with the letter was his promise _______ he would visit me this coming Christmas.
#72541
A
which
B
that
C
what
D
whether
The course normally attracts 20 students per year, _____ up to half are from abroad.
#74083
A
of whom
B
for whom
C
in which
D
with whom
The notice came around two o’clock in the afternoon _______ the meeting would be put off.
#67993
A
when
B
that
C
whether
D
how