______________ twice a year, whether it is a car, a bus or a truck, is the rule that every driver must obey in this city.
#92440
A
Examining
B
Examined
C
Having been examined
D
Being examined
推荐题目
The _______ boy was last seen _______ near the East Lake.
#93919
A
missing; playing
B
missing; play
C
missed; played
D
missed; to play
She asked me ___________ the news to him.
#94141
A
not tell
B
to not tell
C
not telling
D
not to tell
  It was dark and cold. They had to find a house ____ and some wood ____. 
#98592
A
to stay in…to make a fire with
B
to stay…to make a fire with
C
to stay in…to make a fire
D
to stay…to make a fire
I asked him ___ it, but he just remained unmoved.
#97751
A
how to do
B
to do
C
how doing
D
doing