With the dawn of space exploration, the notion that atmospheric conditions on Earth may be unique in the solar system was strengthened.

Carry this glass of milk into the next room, and be careful not to _____ any on the floor.

I hate ______ newspapers; they're just full of gossip, scandal and lies!

You can’t wash this jacket in the washing machine – you need to get it............

It is important to raise the people’s _________ of environmental conservation.

Christine is a blind chef and a gifted writer. She’s very talented and ………….

The advances of commercial airplanes resulted in a shrinking world.

Governments have ______ laws to protect wildlife from commercial trade and overhunting.

I suppose I could_______ the ironing while I'm waiting.

A reduction in the amount of paperwork has been proposed in an attempt to ease the ____________on busy teachers.

She's a down-to-earth woman with no pretensions.

The waste water from bath, showers, sinks and_______, and rainwater can be collected in a tank.

In Vietnam, Tet is the grandest and most important ………… in the year.

The factory was fined for______ chemicals into the river.

__________ is the one that watches a game or match closely with the aim of ensuring that the rules are legally obeyed.

Do you know the country which you has the hightest life_______ in the world?

After his journey, Gerard hoped to find an inn in which to ______ the night.

I looked the word up in the dictionary to refresh my ________ of its exact meaning.

As it was getting late, the boys decided to____ the campfire and crept into their sleeping bags.

She ______ her hand over the material, enjoying the smooth silky feeling of its surface.

Employees who have a _______ are encouraged to discuss it with the management.