The man in black was about to set fire to the house ____ the police came.
#33709
A
while
B
after
C
before
D
when
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You are allowed to go out______ you promise to be back before 11 o'clock tonight.
#31374
A
so long as
B
so far as
C
as soon as
D
as far as
Mary was much kinder to Jack than she was to the others, , of course, made all the others upset.
#32932
A
who
B
which
C
what
D
that
You may borrow this book ________ you promise to give it back.
#80283
A
in case
B
so long as
C
as if
D
even if
Help others whenever you can________you will make the world a nicer place to live in.
#30472
A
and
B
so
C
but
D
or