Tình hình nhiệm vụ của miền Bắc thời kì 1973 -1975 có gì khác trước? A. Tiếp tục chi viện cho miền Nạm và chiến trường Lào, Cam-pu-chia. B. Khắc phục hậu quả chiến tranh. C. Khôi phục phát triển kinh tế - văn hóa. D. Không làm nhiệm vụ chiến đấu chống chiến tranh phá hoại của Mĩ.

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EX1: VLC 1. “Why don’t you put better lock on the door, Barbara”? said John => John suggested…………………………………………………………………………………….. 2. Although his both legs were broken in the crash, he managed to get out of the car before it exploded. => Despite his………………………………………………………………………………………….. 3. I haven’t eaten this kind of food before. => This is the first……………………………………………………………………………….. 4. The architect has drawn plans for an extension to the house. => Plans………………………………………………………………………………………………… 5. It isn’t necessary for you to finish by Saturday => You……………………………………………………………………………………… 6. “How many survivors are there?”, asked the journalist. => The journalist wanted to know……………………………………………………………… 7. It was such rotten meat that it had to be thrown away. => The meat was……………………………………………………….. 8. It is essential that Professor Van Helsing is met at the airport. => Professor Van Helsing…………………………………………………………………….. 9. You can’t visit the USA unless you have a visa. => If you……………………………………………………….. 10. “Can I borrow your typewriter, Janet”? asked Peter. => Peter asked if……………………………………………………………..