问题

Children under sixteen are not permitted to participate in such kind ofactivities _____ bad for their mental development.

A:left, lied,disappeared
B:won’t use
C:hadn’t used
D:that they are

正确答案是：

同类题型

Isn’t it time you got down to _____ the papers?[ ]

What do you think of math—- I think it’s useful, so it’s ______ for us to learn it well.

You should have a part-time job during the summer holidays.— I don’t you, Mom. I am too young to do that.

I couldn’t get to sleep, but _____ all night. [ ]

Li Hua serve in the army—No, but he________ in the army for three years.