You’ll miss the bus ___ you walk more quickly. 
#36288
A
unless
B
if
C
when
D
but
推荐题目
Who can teach _________English well.  This prize belongs to __________.
#41424
A
our…his
B
our…him
C
us.. him
D
ours…his
Besides Joy, _____ two girls failed in the PE test.
#40835
A
another
B
the other
C
other
D
more