________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.
#88722
A
Examining
B
Examined
C
Being examined
D
Having been examined
推荐题目
 From his _______ look, we could see that he hadn’t expected that we could raise such _______ questions to him.
#96667
A
confused; confusing
B
confusing; confused
C
confusing; confusing
D
confused; confused
Mrs. Black had her left hand ______while cooking.
#91706
A
burned
B
burn
C
to burn
D
burning