Задайте вопрос к последующим предложением 1)Ann works in her room a)Yes/no

1) Ann works in her room. - Энн работает в своей комнате.
a) Yes/no question. Does Ann work in her room?
b) Wh-question. Where does Ann work?
c) Wh-question. Who works in her room?
2) We must go now. - Мы должны на данный момент идти.
a) Yes/no question. Must we go now?
b) Wh-question. When must we go?
c) Wh-question. Who must go?
3) There is a vase on the table. - На столе стоит ваза.
a) Yes/no question. Is there a vase on the table?
b) Wh-question. Where is a vase?
c) Wh-question. What is there on the table?