根据短文内容及首字母提示，填写所缺单词。

I’m very happy to v__小题1:___ Beijing again. Great changes have t___小题2:__place here. Yesterday, I w___小题3:____ to visit Sunshine Middle School --- I had lived there for n__小题4:___ two years. Maybe you don’t believe I couldn’t f__小题5:____the way there! A taxi driver took me there in the end. He said, “Beijing changes too much. Sometimes even people in Beijing cannot find the way.” You can see green trees on b__小题6:____ sides of the wide and clean streets. And you can see tall buildings here and there. Now, many people in Beijing a __小题7:___English classes in the evening schools, and some of them can s__小题8:____ very good English. I’m s__小题9:____ a lot of travelers from the world will enjoy t __小题10:_____ in Beijing.

患者，女性。上颌牙颊侧冷热刺激痛，检查见上颌牙有楔状缺损，楔状缺损的好发牙位是（）

A.下前牙

B.上前牙

C.上、下颌尖牙和前磨牙

D.上颌磨牙

E.下颌磨牙