I don’t know _____ or not he will come . _______ he comes , I will call you .
#55872
A
whether ; If
B
whether ; Whether
C
if ; If
D
if ; Whether
推荐题目
—Mike didn’t notice the sign ____ it was right in front of him.—How careless he is!
#55755
A
because
B
but
C
though
D
unless
Earth is becoming more and more polluted. ______, people will move to Mars one day.
#55145
A
In order to
B
So that
C
As a result
D
Because of
