Mary and I _________ friends.
- The_______ you wrote about the film is wonderful.- Thanks.
I can't believe that great changes_______ in Suzhou in the past 20 years.
- We can save water by taking shorter showers.-_______, turning off the tap when brushing teeth is also a good way.
It is _______ him to save the old man out of the big fire.
-I hear a charity show_______ yesterday evening.- It was a great success. A lot of famous stars came and donated a great deal of money.