. ___________ the extreme levels of air pollution, city authorities have started to take measures to quickly reduce pollution levels and protect city dwellers.
To tell you the truth,the accident and the damage______resulted in frightened me so much that I almost have given up driving ever since.
—Is there anything I can do for you? —There seems to have been a technical problem—______,that’s what they told me.
From________seemed to be a great distance,he smiled at her,and she smiled,too.
—Mind if I sit here? — _________.
—Artistic people_________be very difficult sometimes. —Well,you should know you married one.