重点单词
（1）回收利用；再利用(v．)_______________________________________________________
（2）大门(n．)__________________________________________________________________
（3）瓶子(n．)__________________________________________________________________
（4）负责人；主席；总统(n．)____________________________________________________
（5）(音乐、艺术)作品(n．)_______________________________________________________
（6）金属(n．)__________________________________________________________________
Why didn't you finish the project on time？
I'm sorry．Searching the Internet for some information （占用）the whole afternoon．
Lisa，pay attention to the instructions，please! This sweater （应该被洗）by hand in cold water．
﹣I know Jack has already collected （成千上万的邮票）．
﹣Yes，he's crazy about it．
（让我惊讶的是），that robot can drive a car．
I've never seen such a wonderful robot，either．
根据句意和提示， 在横线上填写适当的单词， 使句子完整、正确．
﹣Come on，Sandy．Everybody will be lucky or （成功的） sometime in their life．
﹣Thanks，I'll try again．