问题

It has been widely accepted that only when the students take an active part in the class activities _______ the most effective.

A:teaching will be
B:e
C:has teaching been
D:teaching has been

正确答案是：

同类题型

My parents used ________ they had to get anew car for me.

I’m going to have my waste paper ____ away at once[ ]

Some of the oldbeliefs passed down from one generation to another ________ the presentthinking.

下列各项中加点词的活用类型，与其他三项不同的一项是(　　)

More and more people prefer ______ in the wild _____in the hotel. Because they want to experience life.