____twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
#98186
A
Examining
B
Examined
C
Being examined
D
Having been examined
推荐题目
If you go on thin ice ,you risk ______through.
#96086
A
fall
B
to fall
C
fell
D
falling
Instead of ________sights, Edison would spend the time ________in the public library.
#93405
A
seeing, to read
B
see, read
C
to see, to read
D
seeing , reading
The bad weather meant__________ the rocket launch or 48 hours,.
#98677
A
delaying
B
having delayed
C
to delay
D
to have delayed
She was lucky enough ______ the earthquake.
#96076
A
to survive
B
to run away
C
surviving
D
run away from