— __________ is the boy in blue?— Sorry.I __________ know him. A.Where;doesn’t B.Who;doesn’t C.Who;don’t
My school is about twenty ________ walk from here.
_______ milk is ________ your health.
My father always makes me _______.
I want you to say _____ about this concert.
The words that we should pay attention to_______on the blackboard.