语言知识及运用（共两节，满分35分）完形填空（共10小题，每小题2分，满分20分）阅读下面短文，掌握其大意，然后从21—30各题所给的A , B , C , 和 D中，选出最佳选项

语言知识及运用（共两节，满分35分）
完形填空（共10小题，每小题2分，满分20分）
阅读下面短文，掌握其大意，然后从21—30各题所给的A , B , C , 和 D中，选出最佳选项。
When I first came to the  USA , I made friends with a neighbor who used to live only two blocks away from my street. We used to visit each other and go out together sometimes . This friend taught me a lot about  American  21   , but in some cases I had to learn the  22  way, because we didn’t have enough time together for me to learn all about American culture from him.
One day this same friend invited me to a party. It wasn’t a (n) 23   party, only some kind of informal get-together. Since it was summer time, we had a cookout, where most of his American friends and relatives were known to me, but there were others I had never met before.
It was the most  24   party for me when I noticed that everybody was wearing jeans and simple T-shirts for the day, 25    I arrived in proper dress with my shoes and my hair all fixed for a fancy party. It was hard to explain my embarrassment（窘迫）to the other  26  . When one of them turned around and said, “What nice clothes! What’s the occasion?” I felt my face burning hot, I didn’t answer at all. If she knew how bad I already felt, she wouldn’t have said that to me.
Maybe she didn’t  27   to make me feel unfortable, but my reaction had to do with the way I already felt.
Many times I thought of going home and changing but I knew they would  28 . It would be even worse for me because I knew they would quickly think that I felt out of   29  . So I wanted to pretend that I was OK…
I have already realized their customs are different from mine. They care less about formality （形式）30   it is a special occasion , like a wedding or a very formal invitation.
21. A. art                  B. culture                  C. history                               D. people
22. A. easy                       B. simple                  C. hard                                 D. different
23. A. real                 B. pleasant                 C. usual                         D. evening
24. A exciting               B. surprising                C. embarrassing                 D. enjoyable
25. A. as                  B. while                   C. when                         D. and
26. A. guests              B. friends                  C. neighbors                      D. Americans
27. A. mean               B. expect                  C. wish                          D. prepare
28. A. mind               B. notice                  C. watch                         D. care
29. A. order               B. breath                 C. place                         D. mind
30. A. unless              B. if                      C. as long as                     D. since21---30   BCACB   AABCA