问题

He is a little bit mysterious these days. Nobody in our company knows exactly.

A:what he is working on
B:what is he working on
C:what did he work on
D:what was he working on

正确答案是：

同类题型

I’m told we have taken effective measureswe can against the painting ______

many times, he finally understood it

The doctor _______ on the man and _______ saved his life.

What do you want to do next? We have half an hour until the basketball game.— ___________Whatever you want to do is fine with me

Jack is always complaining about not having any money．—The problem is that he doesn’t work hard and never____．