—I told you not to be absent from the class meeting again，________I ?—Sorry，I am afraid that I forgot it．

You hardly know him, ________ ?

— There is little water left in the bottle, ______? — No, we need to buy some more before we run out of it.

It is now 11:30 pm, so there are few people and buses on the street, ____________ ?

-- I was wondering if we could go hiking on the weekend? ---_______good.