--How long ___________ each other before they__________ married?--For about a year.
______ people have become masters of their country ____ science can really serve the people.
The government is trying to reduce people’s fear _________ they are likely to be affected by the nuclear radiation.
Their house ______ mine in having no garage.
I _______ my success to my family’s support.
It is _________ pleasant to take a crowded bus.