Skiing in Taiwan is most of the time because there’s very little snow there.

Some of you may have finished unit one _______, you can go on to unit two

(2014·河南豫北三校高三下学期联考)Honesty is a virtue________greed is an evil，as the saying goes

I know Mr Brown；we _____ to each other at aninternational conference

Would you mind my _______ the window — _______. There’s too much smoke in the room.