Usually a child’s behavior is a(n) ________ of his family environment.
In his speech, Premier Wen Jiabao points out that creativity is __it takes to keep a nation highly competitive .
The book is meant to ___needs it .
The couple are spending their holiday on __is described as one of the most beautiful islands .
See the flag on top of the building ? That was ___ we did this morning . A when B. which C. where D. what
It is pretty well understood __________controls the flow of carbon dioxide in and out the atmosphere today.