We’ll have a picnic in the park this Sunday ________ it rains or it’s very cold.
#30506
A
since
B
if
C
unless
D
until
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——Your book, Tommy?——No, Mom, it’s my friend’s.——Remember to return it to ____ name is on it.
#80042
A
what
B
which
C
whose
D
whosever
Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.
#80316
A
since
B
before
C
after
D
when
We should be able to do the job for you quickly, ____you give us all the necessary information.
#79744
A
in case
B
so long as
C
if only
D
as far as
Work hard at your lessons, ______ you’ll fail the exams again.
#30943
A
and
B
but
C
otherwise
D
besides