Question

they need some more books（改为一般疑问句）

1.they need some more books（改为一般疑问句）
2.he came here three days ago.he is still here now.(改为同义句）
he____ _____here for three days.
3.where is he from?(改为同义句)
4.他已经决定做那份工作。
he __________already _________that job.
说明为什么这样做

Answer 1

1.they need some more books（改为一般疑问句）
Do they need any more help?

2.he came here three days ago.he is still here now.(改为同义句）
he【has】【been】here for three days.

3.where is he from?(改为同义句)
Where does he come from?

4.他已经决定做那份工作。
he 【has】already 【accepted】 that job.

Answer 2

1.do they need any more books?
2.has,been
3.where does he come from?
4.has ,accepted