Помогите ответить на некоторые тест-вопросы по английскому язык?

1
You_______take a bus to get the museum. It's far from here.
a)should b)could c)have to (я склоняюсь к этому варианту, но не уверена) d)would

2
You_____give up your seat to olp people
a)have to b) must (склоняюсь к этому) c)should d)could

3

I _____learn this grammar rule for tomorrow's dictation.
a) had to b) have to c)could d) can

4
Headache _____ with the help of mixture of red pepper and lemon juice.
a)isn't cured b) has cured

5
Nick is ____ the street, just ____ the end of the street.
a) in\in b) on \ in c)on\on d)in \ at (склоняюсь к этому)