3.If I didn't lose the key, I could get into the house

4.They are not old enough to join the army

5.If you don't invite her, she won't come

6.The picture is too heavy to hang on the wall

7.They were not only tired but also hungry

8.Finishing their work, they went home

9.If she didn't go out in the rain, she wouldn't get wet

10.Tom is too weak to lift the table

3. If you didn't lost the key, you could get into the house.

4. They aren't old enough to join the army.

5. If you don't invite her, she won't come.

6. The picture is too heavy to hang on the wall.

7. They were not only tired but also hungry.

8. Finishing their work, they went home.

9. If she didn't go out in the rain, she wouldn't get wet.

10. Tom is too weak to lift the table.

#chucbanhoctotnhe:33