wly-built shopping mall providesgoods that compete ______ product quality, reliability and above allvariety

It is believed that high achievers worktoward personal standards of excellence ______ material rewards.

I left my handbag on the train, but luckily someone gave it to a railway official.—How unbelievable to get it back！I mean, someone ________it.

Of the two American students, Mary is ____ one. I think you can find her easily.

The money is to be used________the poor