The telephone rang_______ Jenny was practicing the violin.A. until B. before C. while
----________ is your friend? ----He is a policeman.
Miss Wang is _________ English teacher. ________ is a good teacher.
—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.