Our mother river has been polluted heavily.—We must do everything we can___________ waste water from running into rivers.

You have no idea how she finished the relay race______ her foot wounded so much.

______, I believe, and you will find the boy is very outgoing

One reason for her preference for city life is she can have easy access to places like shops and restaurants

There were _________ doctors, so Dr Norman Bethune had to work on his own.