—You were out when I dropped by your house. — Oh, I_________ in Zhongbai Supermarket with my parents.
Listen!What’s happening ? Oh, it might be a girl ______in the next door.
Let's go _____, OK?
Not only I but also Tom fond of watching television.
—________ English book is this?—Maybe it is Lucy's.
Yesterday something ________ happened. We didn't know what it was.