Be careful when you cross this busy street. _____, you may get run over by a car. 
#80190
A
If not
B
If so
C
If any
D
if possible
推荐题目
what caused the party to be put off?
#82309
A
Jim delayed sending
B
Jim’s delaying sending
C
Jim delayed to send
D
Jim delaying to send
Only when I checked the paper once more _________ there was a mistake.
#81527
A
I realized
B
did I realize
C
I had realized
D
had I realized
He suggested that the work _____ at once. 
#84527
A
be done
B
should do
C
could do
D
does
Not until the motorbike looked almost new_____repairing and cleaning it.
#83851
A
he stopped
B
did he stop
C
stopped he
D
he did stop