Plastic parts can ______ metal ones in many machines.But they don’t last long.

She always does her homework _________ than her brother.

______of time and energy has been spent in making theearthquake-stricken areas a permanent museum to remindpeople how disastrous a natural disaster can be. [ ]

You were_____ to help us, but you all escaped.

Do you know anything about that man?—NoI know nothing about him _______ I read in the newspaper yesterday.[ ]