In many places in China, ___ bicycle is still ___ popular means of transportation.
You can't get the expensive house________you have lots of money.
The sportsman ________save a drowning boy that afternoon;the boy's parents appreciated him very much.
—Why are you unhappy today? —The watch,which I ________the other day,is out of order again.
Sarah looked at ______finished painting with ________satisfaction.
Special attention should be paid ________our earth from________.