CÓ GIẢI THÍCH LÍ DO CHỌN Ý ĐÓ Choose the best option to complete each of the following sentences. 3. They went home after they _____ their work. A. finished B. were finishing C. had finished D. had been finished 4. I wish she_____ make so much noise in my lesson. A. hadn't B. weren't C. couldn't D. wouldn't 5. Scientists are looking for an .................. way to reduce energy consumption. A. effect B. effective C. effection D. effectively 6.If she ____ an IELTS certificate, she would go abroad to study. A. had B. has C. have D. will have 7. All ____ must complete a visa form upon arrival at Singapore airport. A. tourists B. departures C. customers D. passengers 8. -John: “Do you think that we should wash hands to protect ourselves from Covid – 19?” - Laura: “______.” A. There’s no doubt about it B. Well, that’s very surprising C. Of course not. You bet! D. Yes, it’s an absurd idea 9. ____ she had many difficulties, she still managed to escape from this house. A. Although B. Because C. Because of D. Despite