题目

用括号内单词的适当形式填空 1． Mr. Bush ________ (have) three daughters. 2． ________ (they) English books are everywhere. 3． The soccer ball is in ________ (we) classroom. 4． Mary always ________ (go) to school with her brother. 5． Does your father ________ (watch) sports on TV? 6． —Let's ________ (play) tennis after class. —That ________ (sound) fun. 7． My mother doesn't let ________ (I) play computer games. 8． My ________ (classmate) aren't in the classroom. 9． My cousin likes sports. He always plays ________ (they) after school. 10． I don't hav8．若x2-3x-1的值为0，则-x2+3x+2的值为1．