Question

英语高手请进，悬赏100

用括号中的介词合并两个句子，必要时可进行一些改动，动名词要作介词短语的宾语。
1）We stood in the rain for hours . Then we said goodbye to each other.(after)
2) He failed the exam . He was worried .(about)
3)She heard that her son was missing . She ran out to look her son.(on)
4)He knocked loudly on the door .He entered the house .(before)
5)The visitor damaged our piano and then left. He didn't apologize.(without)
6)He has made his fortune . He has changes a great deal.(since)
7)She made such an unexpected decision . Her friends were all surprised.(at)
8)She helped the little boy to learn English. She took great delight in that.(in)
9)They have given us a lot of help. We feel grateful to them(for)
10)She had stood for a whole day. Her legs became swollen.(from)
只要答案

Answer 1

1. We said goodbye to each other after standing in the rain for hours.
2. He was worried about his failing the exam .
3. On hearing that her son was missing, she ran out to look for her son .
4. He knocked loudly on the door before entering the house.
5. The visitor damaged our piano and then left without apologizing .
6. He has changed a great deal since he has made his fortune.
7. Her friends were all surprised at her making such an unexpected decision.
8. She took great delight in helping the little boy to learn English.
9. We feel grateful to them for their giving us a lot of help.
10.Her legs became swollen from standing for a whole day.

仅供参考，如被采纳，不胜荣幸。

Answer 2

1. We said goodbye to each other after standing in the rain for hours.
2. He was worried about his failing the exam .
3. On hearing that her son was missing, she ran out to look for her son .
4. He knocked loudly on the door before entering the house.
5. The visitor damaged our piano and then left without apologizing .
6. He has changed a great deal since he has made his fortune.
7. Her friends were all surprised at her making such an unexpected decision.
8. She took great delight in helping the little boy to learn English.
9. We feel grateful to them for their giving us a lot of help.
10.Her legs became swollen from standing for a whole day.

祝学习进步，希望采纳(*^__^*)
必定感谢万分。

Answer 3

1,then we said goodbye to each other after standing in the rain for hours.
2，he was worried about that he failed the exam.
3,on her hearing her son was missing,she ran out of to look her son.
4,he knocked loudly on the door before he entered the house.
5,the visitor damaged our piano and then left without apologizing.
6,he changed a great deal since he had made his fortune.
7,her frieneds were all surprised at her making such an unexpected decision.
8,she took great delight in helping the little boy ti learn english.
9,we feel grateful for they giving us a lot of help.10,her legs became swollen form standing for a whole day.

Answer 4

we said goodbye to each other after standing in the rain for hours

Answer 5

(1)We stood in the rain for hours after which we said goodbye to each other
(2)He failed the exam about which he was worried
(3)On hearing that her son was missing ,she ran out to look her son.
(4)He knocked loudly on the door before entering the house.
(5)The visitor damaged our piano and then left without apologizing.
(6)He has changes a great deal since he has had his forture.
(7)She made such an unexpected decision at which her friends were all surprised.
(8)She helped the little boy to learn English in which she took great delight.
(9)They have given us a lot of help for which we feel grateful.
(10)真的是from吗？不会了