— Two Xiaogan Evening Papers, please!— Sorry, sir. Only one left. Would you like to have ______?

Do you find _______ difficult to be independent(独立的)?.

As students, we should work hard and do ________ best to realize our dreams. 

I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.

—Is Mary         friend?—No,       isn’t.