I don’t think it is a performance.
The differences_____ these two pictures _____ colour are easy to see.
I don’t have to introduce him to you ________ you know the boy..
Li Feng’s __________ of devotion to others will be remembered not only in Chinabut also in some other parts of the world.
—Have you found your lost mobile phone? —No, I haven’t. But I bought ________ yesterday.
— Have you seen _____ empty box?— Do you mean _____ box you showed to me yesterday? I put it in your schoolbag.