1.our house ____ (tidy/is tidied)up by my mother every day.
2.The old people here ____ (take/are taken) good care of.
3.The pizza ____ (tastes/is tasted) very delicious.
4.This kind of skirt ____ (sells/is sold) very well.
5.Doctors ____ (need/are needed) in every part of the world.
6.Cotton ____ (plant/is planted)in the southeast of China.