1. Wstaw SHOULD albo SHOULDN'T:
a) You ____ leave rubbish in the forest - you ____ take it with you and put in the
rubbish bin.
b) If you feel ill, you ____ stay in bed. You ____ go to school.
c) You ____ be nice to people. You ____ shout at them.
d) You ____ always do your homework and You ____ study hard.​