1. Do you think there would be less conflict in the world if all people ____the same language?
A. spokeB. speakC. had spokenD. will speak
2. Unless you ____all of my questions, I won’tdo anything to help you.
A. answered B.answer C. would answer D. are answering
3. You______ your best. Your result will not be good.
A. tryB. don’t tryC. have triedD. tried
4. Acid rain can lead _____atmospheric pollution.
A. of B .in C. to D. from
5. ______it rained a lot, we enjoyed our holiday.
A. BecauseB. DespiteC. AlthoughD. Because of
Loga
Sinh Học lớp 12
