______ twice a year，whether it is a car or a truck，is the rule that every driver must obey in this city.
#98135
A
Examining
B
Examined
C
Having examined
D
Being examined
推荐题目
_____ by the latest electronic toys, the little boy stood in front of the windows, without moving.
#90167
A
To be arrested
B
Arrested
C
Having arrested
D
Arresting
We had an anxious couple of weeks, ____ for the results of the experiment.
#91142
A
wait
B
to be waiting
C
waited
D
waiting
The reason why Malaysia Airline Flight370 disappeared remained_____.
#88645
A
look into
B
to be looked into
C
looking into
D
to look into
As the film star began to appear，the children watched, ________.
#90832
A
fascinating
B
fascinated
C
being fascinated
D
having fascinated