---I will go to Dalian for a holiday.--- .
—Hi, Lily and Kate, are you classmates? —Yes, ________.
There is ________ “s” and________ “u” in the word “student”.
There is a big tree our school gate. I often wait for my dad under the tree after school.
Sally is a good girl. She often hello to her teachers when they meet.
It takes him two hours _______ his homework every night.