You’d better look up the new word in a dictionary____ you don’t know it.
#55486
A
if
B
as
C
though
D
whether
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—It’s very hot in the room! --_______ the door open?
#55563
A
Why don’t keep
B
Why don’t to keep
C
Why not keep
D
Why not you to keep
I won't come back _________August 5 and 7, so you’ll have to go there alone.
#57814
A
until
B
both
C
between
D
for