be sure/ good seat/ your tickets / should/ bought/...

Câu hỏi: be sure/ good seat/ your tickets / should/ bought/ advance.  

A  I'm sure about a good seat for your tickets should be bought in advance.

B To be sure of a good seat, your tickets should be bought in advance.

C To be sure of a good seat for your tickets should be bought in advance.

D To be sure of a good seat, your tickets should be bought advance.