下列每组单词中,有一个与所给单词不同类,将其序号填入题前括号内。 ( )1. star A. moon B. sun C. bird ( )2. saw A. came B. walked C. ran ( )3. sit A. put B. hit C. air ( )4. first A. second B. fourth C. seven ( )5. yesterday A. tomorrow B. last night C. sad
句型变换 1. There was a car in front of the house just now. (1)否定句: (2)一般疑问句: 肯定回答: 否定回答: 2. They played football in the playground (1)否定句: (2)一般疑问句: 肯定回答: 否定回答: