1 . Due to new proper measures, by the end of this month, the carbon footprint produced by the cattle farm         by about 30%.

A．has been reduced	B．will have reduced
C．has been reducing	D．will have been reduced

2 . —Do you love teaching, Miss He?
—I fell in love with teaching in 2000. I ________ for twelve years by this summer.

A．will teach	B．would have taught
C．has been teaching	D．will have been teaching