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
