根据汉语或首字母提示写单词，完成句子。 1.  My baseball is u _____ the chair. 2.  His f _____  teacher is Miss Green. 3.  When is your Chinese s _____ contest? 4.  How much are these black _____  (短裤)? 5.  She doesn't like salad or _____ (鸡肉). 6.  What c _____ does your cousin want to join? 7.  The s_____ T-shirt is thirteen dollars, but the big T-shirt is 30 dollars, 8.  When is my speech _____ (竞赛)? 9.  Jeff and Helen are Jim's p _____ . Jim is their son. 10.  She thinks thrillers are very s _____ .