Mary is always ready to do some __ work at the local geracomium(敬老院)in her spare time.
As we all know, _____ life is a big stage, on which _____things of all kinds can take place.
---I'll be away on a business trip .Would you mind looking after my cat? ---Not at all.____________.
These articles are written in simple language, _____ makes it easy to read.
The poor man , ________,ran out of the dark cave.
The stone bridge __ _last year is very beautiful.