1. The teacher told us that scientist had searched for extraterrestrial life on other planets for decades ( cấu trúc câu gián tiếp, lùi thì từ quá khứ đơn => quá khứ hoàn thành : have => had )
2. It isn't easy to eat in weightless conditions ( Cấu trúc It's + adj + to + V : làm việc gì đó thì như thế nào đó )
3. Aliens might invade the Earth and do the same thing (might : có thể ở khả năng không cao)
4. Jupiter's moon Europa is so cold that the ice on the surface is probably as hard as rock (S + tobe + so + adj + that + Mệnh đề)
5. The atmosphere of Mars is too thin to breathe (S + tobe + too + adj ( + for someone)+ to V : quá để làm gì )
6. Most students look for information to find the details on the Internet ( look for : tìm kiếm )
7. In the end thay succeeded in landing on the surface of the moon (succeded in + V-ing : thành công làm việc gì)
8. Teen prefer texting to talking face to face ( prefer V-ing to V-ing : thích làm cái gì hơn làm cái gì )
9. Apple Computer was found in Los Gatos, California by Steve Jobs on 1 April, 1976 ( Câu bị động quá khứ đơn )
10. Tim wanted to know whether we would have flying car by 2025 ( whether = if , câu gián tiếp )
