用括号内所给单词的正确形式填空。
1．When is birthday? （Sally）
2．My English （teach） is an old American．
3．I think you need to buy a sweater for （you）． Your sweater is too old．
4．Let Peter （stay）at home and read books．
5．The price of the pants （be）very low．
6． （that） socks are twelve yuan．
7．Does he want （listen）to music?
8．Lucy and Lily's father （have）a black car．
9．Thanks for （write） to me．
10．The （run） stars like healthy food very much．