A. banana B. cake C. horse D. onion
E. potato F. lion G. hamburger H. orange
I. bread J. cow K. beans L. peach
一 Who helped you clean the classroom yesterday?
— ________. I did it all by myself.
可在酒精灯火焰上直接加热的玻璃仪器是( )
14-9=____
9+____=14