zero conditional & should

If you _________to pass the exam, you should study more

• want

• wants

If you are allergic, you _________eat bread

• don't

• shouldn't

____ he pays attention, He understand more

You shouldn't smoke if you _____to stay healthy

• wants

• want

If she ________in a hospital, she should stay healthy

• work

• works

If your leg _______, you shouldn´t play soccer.

• hurts

• hurt

If they need a 10, they _______ work hard

If you ________ cold, you should stay home

• feel

• feels

If has a headache, he _______ go to the doctor.