________ doing his experiment, he forgot to pick up his wife from the station.

_______ by the rise of house price, people in big cities live under great pressure.

This basket he sent me yesterday _______ many kinds of fruits, _______ apples and pears.

What difficulty will you have ____ people when you stay in a foreign country?

In order not to be disturbed, he spent two hours ____ in his study.

The boss took no notice of the suggestion given by the clerk that the new technology ____ the problems on conveying the products.

Heat wave sufferers said that they couldn’t get admitted into hospitals. They arrived at hospitals,         no bed available.

Bocai Middle School, which is reported         just two years ago, is now reowned throughout Hunan Province.

The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.

_____ by the latest electronic toys, the little boy stood in front of the windows, without moving.