Both his parents look sad. Maybe they ________ what happened to him.
Mum, my teacher Miss Li.
Peter’s father and mother are not busy this evening. He wants to have dinner with ______.
Of all the computers in the shop,this one is _______________. A. cheap B. cheaper C the cheapest D the cheap
There are ______ students in this school.
My mother often plays table tennis __________my father doesn’t like sports.