在我国公民的政治权利中,公民参与管理国家和管理社会的基础和标志是( )
The painting______to someone who later donated it to the college.
I suggest you delete the useless files on the computer which _______ too much space.
At first I regretted _____ them to stay, but we soon became great friends.
Most of my friends shop at the stores _____ the goods are very cheap.
Weclimbedhigher_____wemightseethescenesbetter.