1. If I lose the key, I can't get into the house.
2. They are not too old to join the army.
3. If you don't invite her, she won't come.
4. The picture is heavy, so we can't hang the picture on the wall.
5. They were not only tired, but they were hungry too.
6. Finishing their homeworks, they went home.
7. If she goes out in the rain, she will get wet.
8. Tom is not strong enough, so he can't lift the table
CHÚC BẠN HỌC TỐT!!!