6. How often do you study English ?7. Have you finished the test yet?8. She has taught me English for 3 years9. We haven't met for a long time10. She has driven for 1 monthCâu trả lời: 6. How often do you study English ?7. Have you finished the test yet?8. She has taught me English for 3 years9. We haven't met for a long time10. She has driven for 1 month