1. 他發(fā)現(xiàn)雙胞胎的臥室一團糟。

He found the twins’ bedroom  .

12. Mr Wang bought a robot so that he could have more free time.

Mr Wang bought a robot     have more free time.

11. It's such a heavy stone that I can't carry it.

The stone is   for me   .

10. The boy is so short that he can't reach the apples on the tall tree.

The boy is      reach the apples on the tall tree.

9. She's  not sure which one she will choose.

She's not sure       choose.

8. 1 don't know who I can ask for help.

I don't know      for help.

7. Let's discuss how we shall go there.

Let's discuss      there.

6. Can you tell me what we will do next?

Can you teli me what   next?

5. She considers it's useless to wait.

She considers to wait.

4. 1 can hear he's singing now.

I can hear   now.