小学英语：小升初语法专项训练37
（ A ）1.Don’t talk _______class.
A. in B. at C. on
解析：in class固定搭配，在教室内
( C ) 2. Where are your _________?
A. teacher B. friend C. sheep
解析：are说明主语为复数，只有C是单复数同形的单词
( A ) 3. His father ______ going to his school tomorrow.
A. is B. am C. are
