Choose the best answer

8.This flower .... every moring
A. is watered B.is being water C.has been watered D.was watered
12.Someone ..... my pencil
A.take B.are taking C.have taken D.has taken
14.I ... better marks if I had learned hard.
A.would have got B.had got C.would get B.will get
15.This house ... for 3 years.
A.is being built B.will be built C.have been built D.has been built