Complete the tag questions.
1. You mustn’t talk loudly in the library, must you?
2. Helen has to see the doctor today, ?
3. Children must spend a lot of time outdoors, ?
4. Wendy should buy a present for her friend, ?
5. Tom couldn’t dance when he was four, ?
6. We don’t have to get up early, ?
7. Don was able to write the test well, ?
8. I am able to do it, ?
9. You can’t go to Washington, D.C. now, ?
10. Parents shouldn’t shout at their children, ?