Điền đúng dạng của từ vào chỗ trống

6)Most people who work feel that they are _____ but ______ (WORK - PAY ) 7) I was late because I ______ how much time I need (ESTIMATE) 8) His old jacket was so _____ that he had to buy a new one (WEAR) 9) Nicotine is responsible for the ______ effects of smoking (BEHAVE) 10) They've _____ my name : for the first letter is L not R (SPELLING)