单项选择题
How do you know （） direction （）
A. which; driving B. which; to drive to C. in which; to drive D. /; flying to
单项选择题 --I posted the package a week ago.--Then they （） the package by now. It usually takes 5 days.
单项选择题 It is in this factory （） I worked for ten years.
单项选择题 --Which one can I take--You can take （） of them. I'll keep none.
