My friend Tanya ______ Japanese for six years before she ______ Japan. I"ve just received a letter from her. It says she has been studying Chinese for three months and ______ for China in a month.

In the last few years，there________great changes in the country．

General Blair had been in the army ______ for 35 years when he retired from the navy.

In the past 50 years, there ______ a great increase in the amount of research ______ on the human brain.

Ever since the Smiths moved to the lake area a year ago, they _____ better health.

Ever since the Smiths moved to the lake area a year ago, they ______ better health.

Ever since the Smiths moved to the lake area a year ago, they ______ better health.

Research into the Internet in China began in the ______.

The company is looking for computer experts ______ have 10 years of experience in software management.

3．In China，the________ is behind________

Yao Ming is ______ the best-known basketball player in China, who is now playing for the Rockets.

The old ______ well looked after by the government in China.