给每个答句都配上问题,要英文的
1.they are three dorllars.
2.it's three dollars.
3.there are three.
4.no,I don't.
5.a cola and a hot dog,please.
6.srooy,I can't.
7.he is going to do his homework.
8.he is doing his homework.
9.he did his homework.
10.he's 10.
11.at half past twelve.
12.he's my little brother.
13.yes,there are.
14.yes,they are.
15.yes,we are.