问题补充:
The kids spends two hoursChinese every day.
A. on
B. in
C. at
D. to
答案:
(答案→)A. on
B. in
C. at
D. to
解析:on在……上面;in在……里面;at在一点;to对于,到。句意:这些孩子们每天花两小时学汉语。spend用于sb spend...on sth或者sb spend...in doing sth(in可以省略),spend的主语必须是人,可以指花费时间、也可以指花费金钱;结合下文可知选A。