She says she will come to visit our school _____ next week.
Her mother often forgets _____ the door but this morning she remembered _____ it.
Sam had a trip to Paris last month. Which of the following is the picture he took there?
—Does Zhu Yong do _______ in English? —Yes. And Zhu Hong is even _______.
Many people like that poor boy, because he is _____ honest boy.
--_________ do you go to visit your friends? --Twice a month .