Lucy is 7 years old. She is ________ to go to school.A. enough oldB. young enoughC. old enough
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.