1.I have reached a point in my life ______I am supposed to make decisions of my own .
A.which B.where C.how D.why
2.Only then _______how much damage had been caused .
A.has she realized B.she realized C.did she realize D.had she realized
3.Most dogs will not ______people if they are left alone .
A.bury B.escape C.reward D.attack