twice a year, whether it is a car ,a bus or a truck, is the rule that every driver must obey in this city.
#93956
A
Examining
B
Examined
C
Being examined
D
Having been examined
推荐题目
He said while ______ in the countryside, he ______ a lot of hardships and of course learned a lot.
#92795
A
worked, got through
B
working, went through
C
was working, experienced
D
has worked, experienced
 I'm busy now. I'm sorry I can't help ____ the flowers. 
#98051
A
watering
B
watered
C
waters
D
to water