The qualities that boys and girls consider important in a friend seem to be the same, _______ the basis of these friendships.
This kind of cloth _______ well. I think it is worth _______.
-- I’d like some more cheese. --Sorry, there’s ______ left.
The accident happened on such an evening with strong winds ________ by heavy rain.
The moment the World Expo ________ open, the whole audience cheered.
After graduation, he got an opportunity to go to America for further education, and all his friends envied ________. In other words, his good luck is ________ of his friends.