1.I'm alone at home.My parents_______Shanghai on business and will be back next week.
A.have been to B.have gone to C.has been to D.has gone to
2.Grandpa is sleeping.You________play the guitar.
A.needn't B.mustn't C.wouldn't D.won't
3.短语知识点
Make sb.（ ）
A.to do sth.B.do sth.