单项选择题
She was so interested in the book that she（）it for three hours before she realized it.
A.had read B.read C.was reading D.would have read
单项选择题 （）in the leg, the soldier was sent to hospital at once.
单项选择题 （）in the open air has given you a good color.
单项选择题 I think（）strange that he is always saying nice things about you.
