Please show me the watch that you want ____. [ ]

It used to be thought _____ the Earth wasflat

.– Is this i-phone _________–No, it isn’t. I am just thinking of buying________.

The 18 college studentsinFudan University should______________show their greatest respect to their hero–‘Zhang Ninghai instead of being cold and unfeeling[ ]

If you make 　　most of every minute inclass day after day, there will be 　　 switch in grades.