The Australian boy has a good of Chinese and can municate with others freely.
A. request
B. mand
C. demand
D. usage
网友回答
A. request
(答案→)B. mand
C. demand
D. usage
解析:考查名词和词组:A. Request要求,B. Command命令,掌握C. demand 要求,D. Usage使用,have a good mand of是固定词组“精通”,句意:这个澳大利亚男孩精通汉语,可以和别人自由的交流。选B。