______ is very important for us students to learn English well.
—Excuse me, is this _______ new camera?—Yes, it's ________.
—Have you ever seen ______ film Roman Holiday?—I think it is ______ interesting one.
Tom had his bad tooth ________ yesterday.
-- Is this article difficult to understand? -- Yes, ________ it isn’t long and there aren’t any new words in it.
Do you still remember ________ ?