How about having _______dinner at Mike’s—It sounds great. Mike is _______ wonderful cook.

Mum, I can’t see any point in studying hard.—Come on. dear,Years of hard study will surelyin your future career.

The sign _____ “In case of _____ fire, push _____ red button.” [ ]

30.They ______ be at home. You see, the door is locked from the outside.

下列各句中，没有病句的一句是（ ）