题目内容：

British people think being on time is very important. "Drop in anytime" and "Come and see me soon" are often used ______ British people. But you are not supposed to take it ______. It is wise to make a call before you visit someone at home. If you ______ a written invitation to an event thatsays "RSVP", you should reply to the person who sends the invitation as soon as possible. He is eager(热切的)to know ______ you plan to attend the event or not.

Never accept an invitation ______ you really plan to go. You may ______ by saying, "Thank you for inviting ______, but I will not be able to come." If, after accepting, you are unable to attend, be sure to tell the ______ as far in advance(提前)as possible that you will not be there.

Although it is notes ______ to bring a gift to your host, it is considered polite to do so, especially when you have been invited for a meal. You can take some flowers or some chocolate and both are good ______. A thank-you note or a telephone call after the visit is also considered polite. Either is a proper way to express your thank for the invitation.

1.A. to    B. by    C. for    D. with

2.A. differently    B. wisely    C. seriously    D. politely

3.A. receive    B. prepare    C. organize    D. send

4.A. what    B. how    C. when    D. whether

5.A. if    B. unless    C. until    D. before

6.A. record    B. reduce    C. refuse    D. require

7.A. him    B. her    C. us    D. me

8.A. host    B. guest    C. director    D. leader

9.A. basic    B. necessary    C. valuable    D. worth

10.A. cases    B. challenges    C. choices    D. customs