--Guess what! Tan Weiwei failed in the last round of the Super Girl Contest.---How _______ it be? She is second to none in singing in my opinion.

--- Shall I take your iPad to the shop to be repaired?--- Thanks, you _________. There is nothing wrong now.]

According to the school rules, no student _______ go out of school without the permission of the teachers.

—Must we get everything ready before we go to the countryside this summer?    —No, you _______.  

--Have you decided where to go for your summer vacation? --Not yet. We_________ go to Mount Lu. It is a good place for vacation.