Bài 1:
1.I can't use my office at the moment.It is painting .
2.We didn't go to the party.We didn't invite.
3.The washing machine was broken but isn't OK now.It is repairing.
4.The washing machine repaired yesterday afternoon.
5.A factory is a place where things has been made.
6.How old are these house? When did they built?
7.A: Is the computer useat the moment?
B:Yes,Jimmy is using it.
8.I've never seen these flowers before.What have they called?
9.Some trees have blown down in the storm last night.
10.The bridge is closed at the moment.It damaged last week and it hasn't repaired yet.