Answer: 2.Fasting must be done every day.
Explanation:
Fasting is a pillar of Islam, but fasting everyday isn't. You have to fast during Ramadan, and every other fast is optional.
I think that Dickens meant to show that the world cant hide from laughter or good humour. If you see someone laughing you tend to laugh too. If you heart a funny joke you laugh at it. This world isnt just filled with nasty its also filled with fun.
Hope this helps but this is what i feel Dickens meant. the person grading your work may feel different
I'd say "but" is a transition word here.
It can be interperated as both positive, and negative. It all depends on how the writer intends on it being taken.