问题

With our knowledge ________ practice，we can make great contributions to our society.

A:to base on
B:basing on
C:based on
D:base on

正确答案是：

同类题型

What colour do you like best—________.

It’s helpful to put children in a situation they can see themselves differently.

The girl riding a horse there be Shirley. Her left leg was badly hurt in an accident yesterday.

下列句子中，有语病的一句是（）

Are you pleased with what he has done?　-Not in the least. It couldn’t be ____.　