Did you see Dr Ma yesterday afternoon? —When I got to his office, he ______. So we just talked little.

.. The online exposure of the diary of a government official made the public realize the extent ______ the Internet affects the society.

There was nothing they could do______.

Is that Mr. Green? —No, Mr. Green is an ___________ man. But this man is only about _________.

_______haveyoulearnedtoplaytheguitar?—Forthreeyears.[ ]