More and more people choose to shop in a supermarket as it offers a great ____ of goods.   

The UN Climate Change Conference in Copenhagen was held in a tense ______ due to lack of deep understanding.

According to the situation, they found three different ______ to the problem.

The police say there is a $50,000 _______ for any information that helps them find the killer.

The government has raised the tax on urban building (房产税) with the ______ of controlling the price of buildings.

People often find themselves caught in such a _____ as “whether…or not…”.

If you want to do international trade successfully, ______ of English is _______.

Frank made a good_______ _on the first interview, so the manager gave him the job.

The flood this summer caused serious _______________ to the crops in Northeast China.

Bill was doing a lot of physical exercise to build up his _______.