I didn’t go to the mountains ______the bad weather.
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.
Don’t be late ____class.We must be ____time.
It is difficult ____the students ____get to school in Yunnan.
--- ____is it from your home to school ?---It’s three kilometers.