5.你妈妈对我们真友好，替我对她说谢谢。

your mother was to us!Say thanks to her for me.

4.他真是个奇怪的人，他不和这里的任何人说话。

he is ! He doesn’t talk to anybody here.

3.吉姆躲在门后面，他以为没人能看到他。

Jim hid himself behind the door. He thought.

2.戴安娜怎么会那么无礼呢？她通常都很有礼貌的。

Diana be so rude? She is usually polite.

1.你应该带个毯子，夜里可能会有点冷。

You should take a blanket because  at night.

5. It’s possible (可能的) that winter is very cold in Beijing. (改为同义句) 

Winter  very cold in Beijing.

4.The song I Believe I Can Fly is so beautiful.(改为感叹句) 

the song I Believe I Can Fly.

3.What interesting books they are reading!(改为含单数的句子)

interesting book he is reading!

2.We can’t play football because it is raining.(对画线部分提问) 

you play football?

1.I could hear somebody singing next door.(改为否定句)

I  singing next door.