从每一题中找出一处错误并改正：
1 （What）（does）Jim often （have) (at) supper?
2 (How many) milk (would) (you) (like)?
3 The(kids)are just (look),they (don't)wang(to buy).
4 I (want) three (bag) (of) (rice).
5 (This) (pair)of(shoes)is 50 (yuans).
注：错误在答案里
按1.2.3.的顺序写