"Don’t open the door now". She said to us. -> She asked us .....

1. “ Don’t open the door now”. She said to us.
-> She asked us ...........................................................................................................
2. “ Is the weather warm and nice ?”Thu asked Hoa.
->Thu asked Hoa if ......................................................................................
3. They have built this house for six months.
-> This house ...........................................................................................................
4. “I haven’t meet Tim since 1990.” Peter said.
-> Peter said…………..............................................................................................