问题

All of us must do_______ to help protect the environment，or we will have more hazy weather雾霾天气.

A:something useful
B:anything useful
C:useful something
D:useful nothing;

正确答案是：

同类题型

Under no circumstancesto the teacher

The school bus he was looking forward to twenty minutes later.

Sorry, I’m busy now. If I ___ time, I would certainly go for an outing with you

Why didn’t you answer my call一Sorry. I an old friend and we all the time.

下列各句中，没有语病的一项是