Helen is 15 years old, and Joan is 15, too. So Helen is Joan. A. as big as B. as older as C. as old as
Bob’s singing ___song(歌曲)。It’s___American song.
__ your brother playing chess with Jack?
Elephants can remember the places ___food and water.
At school I___wear a uniform and I ___keep my hair short.A.can’t; have toB.have to ;must C.don’t have to;must
We ____or eat in class at school.