填do/does.
1.How much___each pen cost?
2.Only one of the students___not finish the work.
3.___each of you bring the text book?
4.Some of you___not hand in the test paper.
5.How much___all the strawberries cost?
6.All the books on the desk___not belong to me.
7.___your father give pocket-money to you?
8.Some of the children___their homework in the classroom.
9.___a few of them hear about the news?
10.Both of my parents___get up early in the morning.