Bài 1: Choose the correct word or expression for each sentence.

1. You can borrow my ruler unless/as long as you promise not to use it carefully 

2. I'm playing volleyball tomorrow unless/provided that it rains.

3. I'm going to my grandpa's house tomorrow unless/provided that the weather is sunny.

4. I don't mind if you come home late unless/as long as you come in silence.

5. I'm going right now unless/provided that you want me to stay. 

6. I don't usually watch this TV series unless/as long as I've got nothing else to do.

7. Children are allowed to play here unless/provided that they are with an adult.

8. Unless/provided they are with an adult, children are not allowed to use the swimming pool.

9. We can sit here unless/as long as you feel tired.

10. As long as/Unless you are well-behaved, I will take you to good places.