—Kathy and her sister are so alike.—I can’t tell one from ____.
He is not such a man _______ would leave his work half done.
That was the first time I _______ there and I was impressed by the friendly people very much
I shall never forget those years _____ I lived on the farm with the farmers, ______ has a great effect on my life.
Will you _____ the clock? It’s slow.
The Expo site should be _______ from anywhere in the city of Shanghai within 90 minutes by bus, subways and special taxis.