完成句子
阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子。
1．— A set of toys_________________________________（在特价销售）online.
— The toys look beautiful. Why not buy them? （sale）
2．— What did you do last weekend?
—I went to the beach and ____________________________（玩排球玩得高兴） . （fun）
3．—Where is your mother, boy? Is she lost?
—No. Look, she ________________________________________（在为我们已经买的东西付款）over there. （pay）
4．—How hard-working the boy is!
—So he is. No matter how hard his life is, it _________________________________(不能阻止他对知识的渴望). (thirsty)
5．—Have you 
ever ______________________________________________（想过如何使这些旧书能够被好好地利用吗）, Lucy?
—Yes, but I don’t have a good idea now. （put）
答案
1. is on sale
2. had fun playing volleyball
3. is paying for the things (that) we have bought
4. can’t stop/keep/prevent him from being thirsty for knowledge
5. thought about/ considered how the books can be put to good use
___________