You’ll miss the bus ___ you walk more quickly. 
#36288
A
unless
B
if
C
when
D
but
推荐题目
I have ______ things to do today.
#43260
A
too many
B
too much
C
much too
D
very much
Mary shouted at the man but there was no answer, because the man was stone deaf.
#40741
A
unable to feel anything
B
unable to hear anything
C
unable to notice anything
D
unable to see anything