03, figures showed that there were 840,000 HIV carriers and 80,000 AIDS patients in China, _____ it the worst-affected country in Asia next to India.

dioxide, which makes a ______ between us andthe sun, prevents heat from getting out of the atmosphere easily, so the earthis becoming warmer

it is to play this computer game.

The watch ________ I paid 50 dollars was stolen by the thief.

What was considered impolite years ago hasbecome ________now