16. doesn't be hurry 
17. will be 
18. gives 
19. will not pass
20. doesn't stop
 

16. She may be late if she (not hurry) ________________. does not hurry
does not hurry 
17. If you are kind to me, I (be) ________________good to you.
will be
18. If he (give) ______________ up smoking, as his doctor orders, he will be soon well again.
gives 
19. You (not pass) ________________ your driving test unless you drive more carefully.
will not pass
20. He’ll be ill if he (not stop) ________________ worrying so much.
does not stop