— Why is your bedroom so dirty?— Sorry, Mum. It ___________. I felt very tired after playing soccer.
—Is that beautiful girl ________ actress?—No,she isn’t.She is ________ singer.
A/An ________ can use his drawings to tell about beautiful mountains,the blue sea and many other things.
We can put the story ________ newspapers and ________ television.
—Liu Yun,________ this pair of glasses yours?—No,my glasses ________ on the bookcase.
Mrs.Green doesn’t like playing chess,but her daughter ________.