按提示完成单词。

1. Betty's _____ (生日) is coming. We will buy her a present.    

2. Don't buy that dress．It's too _____ (贵).    

3. Whose _____ (随身听) are these?  

4. Idon't think the black coat _____ (适合) you. You may change it.

5. Are there any _____ (折扣) on this year's clothes?

6. The sports shoes on the table are one of the _____ (play).

7. How _____ (care) you are! You have made such a mistake.  

8. He held a party without _____ (invite) us.

9. There are many _____ (visit) in our city in summer.

10. He was _____ (happy) because he got 58 points in the exam.

甲、乙分别出资1万元合伙经营，后因经营不善，负债10万元，甲、乙约定由乙承担8万元，乙承担2万元。这种约定对债权人：（）

A.无效。债权人可以要求甲、乙任何一方承担全部债务。

B.有效。债权人只能按照约定要求甲、乙承担各自的债务。

C.无效。债务人只能要求甲乙平均承担债务。

D.有效。债权人要求任何一方承担全部债权是没有法律依据。