--- Oh! You bumped me! --- I am sorry. But I       to catch the coming bus.
#99506
A
try
B
tried
C
am trying
D
was trying
推荐题目
.--- I was lucky the win a gold medal in the800-metre race.--- You  ____ through hard training.
#102776
A
must go
B
should go
C
must have gone
D
should have gone.
Although he has lived with us for years, he ______ us much impression. 
#104996
A
hadn’t left
B
didn’t leave
C
doesn’t leave
D
hasn’t left