Exciting as its special effects are ______, there is too much violence in the film.

We were told not to touch the equipment in the laboratory unless ________.

The rate of racial progress varies in different areas of the country, but in the past ten years _________ more improvement.

For some time, Chinese people, under the leadership of CPC, ________ the contents of the Scientific Development Concept in the course of practicing socialism in China.

—I'm sorry. I shouldn't have been so rude to you.
—You ________ something not very nice to me, but that's OK.

Instead of flocking into the cities, the peasants __________ villages and townships of a new type in the past few years.

Jack doesn’t smoke now, but he ______________ for almost twenty years.

—Did you happen to hear the recent news?
—Yes, Alice ____ the gold medal in the speech contest, which I find hard to believe．

________ to the hospital, the badly injured woman was immediately operated on so that she could be saved.
A. Rushing       B. Rushed      C. Having rushed      C. To be rushed

The hard life in the mountainous area he has adapted to ____ a real challenge to anyone.