Here are the correct forms of the words for each sentence, along with the rewritten sentences for the other task:

### Use the correct form of the word given in each sentence:
40. He often shares things with friends. He is very **generous** in his actions.
41. She felt happy because she was **successful** in her job.
42. Thomas Watson **assisted** Bell a lot in conducting his experiments.
43. A home for children whose parents are dead is an **orphanage**.
44. The baby slept **peacefully** with her mother.
45. We will make a lot of **arrangements** for the next meeting.

### Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it:
46. It takes Nam two hours to tidy his house.
- **Nam spends two hours tidying his house.**

47. He is very strong. He can lift that heavy box.
- **He is strong enough to lift that heavy box.**

48. No one helps Lan to prepare for the party.
- **Lan prepares for the party by himself.**

49. He plans to do volunteer work at the local hospital.
- **He is going to volunteer at the local hospital.**

50. I like learning English more than watching TV.
- **I prefer learning English to watching TV.**