Помогите, очень срочно надобно

1.a) heights b )flying c)spiders d)the dark e)germs

2.a) sounds b)smells c)looks d)tastes e)feels

3.a) can't b)mustn't c)don't have d) have to e)can

4.a) couldn't b) couldn't c)had to d)didn't have to e)couldn't

5.a)can't b)might c)must d)can't e)might

6.a) must b)can't c)might d)must e)might