Điền từ thích hợp vào chỗ trống

----- Nội dung dịch tự động từ ảnh -----
1 8. Joe won because he played
(good) Jane did.
9. Did cities grow
(quick) after the Industrial Revolution?
| 10. He hit the ball
(powerful) his competitor.
11. As we get older we remember things
(easy).
12. If you don't study
(hard), you will fail the exam.
13. After the accident he drives
(careful) now.
14. She speaks
(good) before.
15. He visits his grandparents
(frequent) his brother.
16. David is very generous, but at times he spends his money
he should.