Whether / Whether or not / If

Complete each sentence below with 'whether', 'whether or not' or 'if'.  Then press "Check" to check your answers.

1. My sister can't decide to buy a bicycle to go to work.

2. Tom asked Julie she'd like to go to the cinema on Saturday.

3. "You've got to go to school you like it or not!" said Charlie's mother.

4. Caroline might come. It depends on she can borrow her dad's car or not.

5. We're not sure we're going to change offices. It hasn't been decided yet.

6. I buy a cake or make one myself won't make it less fatteniing!

7. I wonder the boss is aware of the problem. It's hard to tell.

8. The manager really doesn't care the new timetable suits everyone.

9. Diana says she's not sure she'll have time to go to the hairdresser's after work.

10. The price doesn't change you travel by car or by train.