3. I really don't know what I can do to help her out. (改为简单句) 

I really don't know what             to help her out.

2. He wondered. Is the post office over there? (合并为含有宾语从句的复合句)

He wondered       the post office                   .

1. We all like the children. They have good manners. (合并为一句) 

We all like the children             good manners.

  You may know the song Happy Birthday very well. But do you know about its writer? It 1.        (write) by an American girl. And now she 2.       (become) a very rich woman. When she was a child,she was poor. Once she 3.       (invite) to her friend's birthday party. She was very pleased but sad because she didn't have enough money 4.        (buy) a gift for her.

"The party is coming soon. Now I have little money.”Tears ran down her face. Later that night she was in bed,5.        (think) about the presents when the door opened and her grandma came in. "What hap- pened?" her grandma asked. Hearing the girl's story,she said, "6.       (not worry) . I think I can help you. How about 7.      

(sing) a song together? Happy birthday to...”What a beautiful song!丁hey sang and sang. Suddenly she woke up. It was a dream!She decided to write it down at once and sing it to her friends at the party.

When she sang the song at the party the next day,her friends were very happy. "How wonderfully you 8.        ( sing) ！We 9.        (not hear) such a song before. Thank you for 10.       (give) me the special gift," said her friend. And they learnt to sing it together. Later the girl became well-known inAmerica.

用方框中所给短语的适当形式填空 

on one’s own  help oneself  because of  neither ...nor  call off

1. They missed the important meeting        the heavy traffic.

2. Please         to some chicken,children.

3. Although her father is in the company,she got the job        .

4. Because the earthquake happened,some important events were      .

5. The little boy likes        English        Japanese. He is interested in French.

(   ) 20. ―Goodbye,everyone.           .

―Bye,Sally!Don't forget to write.

   A. Stay in touch   B. Just wait and see

   C. Sounds great   D. Come this way

(   ) 19. I still remember the college and the teachers       I visited in London years ago.

   A. what   B. who   C. that   D. which

(   ) 18. He spoke       quietly        I could hardly hear him.

   A. so;that   B. such;that

   C. so;and   D. such;and

(   ) 17. I don't know        he likes it or not.        he does,I'll give it to him.

   A. whether;If   B. if;Whether

   C. whether;Whether   D. if;If

(   ) 16. —Must I finish my homework today?

―No,you        . You        do it tomorrow.

   A. mustn't;can   B. needn't;must

   C. don't have to;may   D. can't have to;may