Most students feel that their IQ is ________determines ________well they are going to do in life.

It seems to some experts that there are only three commonly-used video websites in this area: 56.com, Youku.com, Tudou.com and they ____ 90% of the market. [ ]

Here’s your paycheck for this month —Ah, that’s music _____ my ears!

He doesn’t________others at all，and he thinks only of himself.

What are you afraid ______?—–I’m afraid ______ dogs