Personally, I think modern education is ________ sitting at a desk and looking at the blackboard.

What’s the matter You looked unhappy.—Well, the teacher spoke so quickly and I can__________ understand it.

下列句子中，没有语病的一项是（ ）

Mike，does the chicken taste good–Yes，it’s really ________．

Is your friend Michael still in Australia—I don’t know. I have information about him because we haven’t seen each other for years.