You can’t become infected_______ HIV by swimming in a pool, or sitting in a bath.

They set off________a trip________London.

When the police appeared, the excited crowd surrounded them________all directions.

_______the fact that there was great prejudice against women entering men’s profession then, she succeeded as a manager of a big company.

.They were __________ to produce carbon,nitrogen,water and other gases.

Being young means having all kinds of possibilities, so you should challenge your limits and go ______ your boundaries.

I had wanted to clean out the basement ____, but unfortunately he came back before I did it.

Six persons, _____ , died in the battle.

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On cold mornings, after washing your hair, you’d better dry it ______ using a hairdryer.

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To our pleasure, his parents came to accept the fact ____.