Peter , I won’t visit our teacher this Sunday .— I have to look after my mother .

Forget it, John. I said that just ________ fun. [ ]

100℃ is the temperature ______ which water will boil.

Is there _______ in today’s newspaper?— Yes, it’s really cheerful to read that a group of _______ kids joined the volunteers!

________ have you been here? —About two years. [ ]