How long have you been studying at this school?—I have been studying here_____. [ ]

Does Sun Li ____ her father or her mother?

People ______always be careful with fire， or it can be dangerous.

The Thirteen Women in Nanjing directed by Zhang Yimou is said to be well worth seeing.——You must be kidding! It’s one_____in at least a year.

He lives on ________ floor in that building.