To make members of a team perform better,the trainer first of all has to know their ________and weaknesses.
It is suggested that __big event like Russian Year in China should benefit _____relationship between the two countries.
If it is convenient ____you , I want to ask you to help me repair the roof of the kitchen. on Friday .A. to B. for C. with D at
__________ there was danger ahead, the girl walked on.
The population of China is _______ than that of America.
_________ it is to have a picnic !