单词拼写

     根据下列各句句意和空白之后的汉语提示词，在指定区域的横线上写出对应单词的正确的完整形式，每空只写一词。

1. The assistant is very friendly to all the ________ (顾客).  

2. I like English best; what is your _______ (最喜欢) subject?              

3. He dived into the water, leaving only his face ________ (裸露)

4. A great celebration was held on his ________ (五十岁) birthday.

5. If you knock into somebody, you should ________ (道歉) to him.

6. Please speak as loud as you can to make yourself ________ (明白).        

7. I think you can sit on this newly bought chair very ________ (舒服).      

8. - This problem is not difficult.  - But that one is even ________ (容易).

9. When I came to the riverside, I found a boy _________ (挣扎) in the water.        

10. The students in our school study very hard, _______ (尤其) those in our class.