把几个句子翻译成英语，谢谢！

1.His granpa died when he was 90 years old
2.Though I live alone,I don't feel lonely.
3.It's important for us,students to learn English well.
4.It seems that he knows nothing about that thing.
5.Who do you think will take part in the party tonight.

1.His grandfather died, he lived to be 90 years old.
2.Though I was living alone, but I do not feel lonely.
3.For our students, learning English is very important.
4.It seems he knew nothing about the matter.
5.Who do you think participating in this event?

his grandfather was passed in 90.
i live alone but i am not lonely.
it is important to learn english to us student.
it seens he knows nothing about that.
who do you think will come to the party tonight.

1. His grandfather passed away. The grandfather lived until 90 years old. (这个句子汉语就觉得有歧义，表意不明。 不好意思）

2. Though I am always alone, I don't feel lovely.

3. To Study English is ve