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
.Why don’t you________ Beijing duck?
.Look at the hamburger. There’s some chicken ________ two cakes.
These are _______ cups. _______ are over there.
This is _______ armchair. I’m writing with ________armchair.
--I’m leaving for Yingjiang ,Yunnan to help the children in need. -- !