Open the bracket using the present continuous: 1. he / take dance classes? 2. she / stay in a hotel? 3. how much / he / eat? 4. how long / you / stay in china? 5. she / study in the library now?

1. Is he taking dance classes?
2. Is she staying in a hotel?
3. How much is he eating?
4. How long are you staying in China?
5. Is she studying in the library now?