In my mind, no such_______ thing in our country as_______ Great Wall can represent the image and culture of China.
look! It’s raining _________.—That’s great. It’s too hot these days.
I came to your office yesterday morning, but nobody was in.—-Oh, we__________ a meeting in the meeting room.
Look at that girl! Is that Susan?—No , it _______ be her. She has gone back to her hometown.
Tom always comes late ____school. [ ]