Last month, the Japanese government expressed their thanks for the aid they ______ from China.

In the past 5 years a great deal of money _____ improving the environment of the school.

Fruit and vegetables          in areas_________ there is enough water.

Mother wanted to be a good provider, a role she ______ since her marriage to Father.

. Since last year, the global economic slowdown ________ in many countries. It is expected that the world economy will not recover until the end of 2010.