I’m curious to know ______ it is ______ has made Anne_____ she is today.

Which is your favorite sport,swimming, running or skating——_______ of them. I like water skiingbest.

China plans to let people ______the Xi Sha Islands this year.

“Freeze, you guy! _______ , and I’ll shoot you” an old man with a gun in hand shouted at me

Earth is believed ____ by an object the size of Mars at some point in the distant past before its surface cooled.[ ]