They spent half a year with their uncle and aunt on the farm last year 划在half a year 上用什么提

They spent half a year with their uncle and aunt on the farm last year 划在half a year 上用什么提
They spent half a year with their uncle and aunt on the farm last year 划在half a year 上用什么提

They spent half a year with their uncle and aunt on the farm last year 划在half a year 上用什么提
How long did they spend with their uncle and aunt on the farm last year

How long did they spent with their uncle and aunt on the farm last year

how long

How long did they spend with their uncle and aunt on the farm last year？