杭州交通信息网wpf实战项目课程:用动词的适当形式填空
来源：百度文库 编辑：杭州交通信息网 时间：2024/04/29 00:30:54
1.You must try ___ (explain) yourself more clearly; it is impossible__(understand)what you are trying___(say).
to explain
to understand
to say
1.You must try _to explain__ (explain) yourself more clearly; it is impossible_to understand_(understand)what you are trying_to say__(say).
to explain
to understand
to say