文语站

位置:首页 > 习题库 > 

I'mafraidwe'llhavetoworkextrahours,forsomeproblemsareha...

习题库2.22W

问题详情:

I'mafraidwe'llhavetoworkextrahours,forsomeproblemsareha...

I'm afraid we'll have to work extra hours, for some problems are hard ________.

A.to settle    B.settled   C.to be settled     D.settle

【回答】

A

知识点:非谓语动词

题型:选择题

标签: