根据句意，写出划线单词的反义词

50.This room isn’t        .It’s very big.

51. Look at your hands! They aren’t        .They’re very dirty.

52. Don’t turn        .Turn right. Then you can find the post office on your right?

53. Give me that coat, please. That old one, not the        one.

54. That’s too noisy here. Please keep        , children.

1.Jerry does morning exercise every day.(改一般疑问句）    

______ Jerry _______ morning exercise every day?

2.The   water was too dirty for us to drink.(改为同义词)

The water was ______ dirty _______we couldn’t drink it.

3.1 don't know David's e-mail address.

He doesn't know David's e-mail address, either.(合并一句话)

__________he _______ I know David's e-mail address.

4.The author will leave for Xingyi in a month.(对划线线部分提问)

______  _______will the author leave for Xingyi?

5.1 think Allen must be playing basketball with his brother on the playground,

    _________  _________？(写出其反意疑问部分）