选词填空。
Whose, What time, What colour, How much, How old,
1. ___________ grapes are these?——They’re Wang Bing’s.
2. ___________do you go to school?——At seven forty.
3. ___________ is your uncle?——About thirty-four.
4. ___________are your shoes?——They’re blue.
5. ___________are the pears?——They’re twenty yuan.