Module 5 My school day Unit 3一、单选题1.It's hard for us to say goodbye ________ we have so many happy days to remember.A. soB. becauseC. althoughD. until2.We _______ any lesson _______ Saturday.A.don’t have; onB.have; inC.don’t have; atD.have; on3.Our maths teacher is very good and ...