— I’m sorry, sir. I’ve made a lot of mistakes in the exam.— Never mind. _______, the exam is a little difficult.

－Have you heard that China has problems          Diaoyu Island?－Yes, but I think China will have no difficulty        the problem.

We’re heard much _______ about the missing plane, but we still don’t know where it is.

--- Is there ___________ to tell us?  --- No, nothing.

I saw many ________ eating grass on the hill.