（Alice and Jack are talking on the phone．）
Alice：Hello! Alice speaking． Who's that？
Jack：Hi， Alice．（1） ．
Alice：Hi， Jack． Where are you？
Jack：I'm on the bus．I'm going home from work．（2） this weekend？
Alice：I am doing some shopping this Saturday． The shopping center near my home is having a sale． What's your plan？
Jack：I just want to buy a gift for Mrs． Black， my science teacher． Any advice？
Alice：Why not （3） with me on Saturday？ You might get what you want．
Jack：Good idea! Could I meet you at 10：00 at your home？
Alice：Sure． But before that，I can search online and see if I can find （4） for you．
Jack：Wonderful! Thank you very much!
Alice：（5） ． Keep in touch!
Tom和Tim都没有看过这部电影． ．
他发现戒烟很难． ．
3D打印技术发展迅速，许多专家建议把这项技术介绍给更多的中学生．
The 3﹣D printing is developing fast．Manyexperts suggestthat it should be to more middle school students．
环境在日益恶化，人们必须开始采取行动改善它．
The environment is getting worse．People have to start to improve it．
生活充满挑战，我们应该怀最好的希望，做最坏的准备．
Life if full of challenges．We should hope for the best and the worst．