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
--These plans are all suitable.I haven't decided which one to choose. --It's OK.You ________ plenty of time to make a decision.
--Thousands of people come to visit Qinghai Lake every year. --That's true.It has become our _______.
You will never guess ________.
It was stupid ______ my baby alone at home.
--Who has kept the water _____? --Oh, I forget ______.