专家建议我们在雾霾天不要一直开着窗户。
Experts advised us not to ______ the windows _______ all the time on hazy days.
司机开车越小心，路上出的事故就会越少。
The ________ carefully the drivers go, the _______ accidents there will be on the road.
3-D 打印机能打印各种东西，比如汽车、飞机甚至人体某些部位，很神奇。
It’s amazing that 3-D printing can copy many different things, ______ _____ cars, airplanes and even human body parts.
请在表格中填写你的地址和电话，以便我们有消息时通知你。
Please ______ ______ the form with your address and phone number so that we can touch you when we have news.
MH370 航班共有239 名乘客不幸失去生命，包括154 名中国人。
It’s sad that all 239 passengers in the flight of MH370 _______ their ______, including 154 Chinese