It’s really stupid of you ____ him the news yesterday so that it has been disturbing him all the time．

Jane established a program, ____ young people to take part in activities ____ promote greater concern for the environment．

When ____ to feel unworthy, children often work extra hard to please their parents．

The Japanese people keep up cheerful spirits ________ the world that they can get over the crisis caused by the terrible tsunami（海啸）.

—You seemed to be nervous.
—Oh,with so many watchers________around,how could I keep calm?

Although ________ to stop, he kept on working.

Something must be done to prevent factories sending out poisonous gases so as to keep the city _________.
A polluting          B. from polluting    C. pollute          D. from being polluted

If the building project _____by the end of this month is delayed, the construction company will be fined .

More consumers are waiting for the further drop of housing prices with money in their hands rather than ______ houses, according to a report.

The bridge ____ in the 1800’s was the oldest building in this village.