38. We shouldn't talk loudly in the theater. We shouldn't smoke there, either.(合并成一个句子) 

We should talk loudly smoke in the theater.

37. He has learned to play the guitar for two years.(对画线部分提问)

 has he learned to play the guitar?

36. What other things can you see in the picture?(改为同义句)

 can you see in the picture?

35. It took me an hour to finish reading the book.(改为同义句)

I an hour reading the book.

34. I don't know what I should do next.(改为同义句)

I don't know what next.

33. We played basketball two hours ago.(改为—般将来时) 

We will basketball two hours.

32. It is an unusual experience.(改为感叹句)

31. Bob spent 200 dollars buying the camera.(改为同义句) 

It Bob 200 dollars buy the camera.

30. My father will come back in two days.(对画线部分提问)

 will you father come back?

29. The Smiths have lived in China for twelve years.(对画线部分提问)

 have the Smiths lived in China?