问题

I just don”t understand _____that leads to so many teenagers becoming addicted to playing computer games. [ ]

A: why it does
B: what it is
C: what it does
D: why it is

正确答案是：

同类题型

It’s a top secret—Yes, I seeI will keep the secret________you and me[ ]

We have shoes at very good price, two of sports shoes for only $78.

下列各组词语中，加点字读音全部正确的一项是

Mum, could you buy me a dress like this? — Certainly, we can buy _______one than this, but ________this.

Are you still busy?—Yes, I ____ my work, and it won’t take long