Had I known about this computer program,a huge amount of time and energy___
He went out without an umbrella, ___________ in the rain.
Nowadays many pop stars begin to use recycled paper _________ plastic to package their photos.
Lily is said ________ abroad if his mother finds a job in the USA next year.
________ the question of how global warming has _________, we are doing some projects at school.
Entering the room, they found that quantities of novels _________ on the desk, while a pile of illegal drugs were burned to _________ ground.