We should not ________ economic growth that will harm the environment.

t think your children could have been used tothe quick pace of life while working in Shenzhen, _____they—_____. They thought of returning to Changchun.

mith finds it hard to clear up the mess, as herchildren are always ____ whenever she tries to.

53. In 1989, a(n) _______law was passed by the United Nations to stop people putting waste into sea.

On the bus, all the people except the driver ______ to talk and laugh during the journey