I’m going to school Monday.
an engineerA.一位警察 B.一位工程师
on the beachA.在树上 B.在海滩上
your uncleA.你的叔叔 B.我的叔叔
his dadA.他的爸爸 B.她的爸爸
-Happy birthday to you ! - .A. Happy birthday ! B. thank you. C. Thank you.