10.　 　He lost all his p_______ in the fire. Now he is in _______ of nothing.

9.　　　 The ______(牛) have been sold. I have ten ______(牛).

8.　　　 They attended the __________(会议)on educational work.

7.　　　 More than 40 p_____ of the students wear glasses.

6.　　　 A new ________(秘书) is needed in our company.

5.　　　 They ________(定居)down I their new home.

4.　　　 It is challenging to do ______(进口) and _______(出口)business.

3.　　　 It would be impolite to attend a _____(婚礼) without bringing a gift.

2.　　　 I have a lot to say in r_______ to that affair.

1.　　　 In order to keep the students safe, schools are s_______ by fences.