What .............. you (do)...................... when I (come) ........................... to your office yesterday?

It was __________that we went camping in the mountain last weekend.

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We must admit that people are heavily polluting the environment.

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The Carbon atoms of diamond are so strongly bonded that diamond can only be scratched with other diamond.

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On some occasions men smoke simply _____ relax.

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In order no money would be wasted, we had to account for every penny we spent

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Many needles are simple – looking tools, but they are very relatively difficult to make

Someone who is_________ thinks that bad things are going to happen.

Who (drive) ............................... the car at the time of the accident?

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Commercially the honey is heated and filtered in order to stabilize and clarity it

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Deforestation is one of the biggest environmental threats to the ecological balance in the world.

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She promised that she come , but in fact she doesn’t

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He is truly a reliable friend. He will always be with me and never let me down.

The computer allows US to work fast and__________ .

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At half past six, the alarm clock went off

_______ computers will continue to get smaller, faster and more affordable.

A small stone struck the windshield while we__________down the gravel road.

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The issues learned during early stages of project causing researchers to initiate additional research.

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Chemical engineering is based on few principles of physics, chemists, and mathematics .

She glanced briefly ________ his lapel badge.

8) A short part of a film or movie that is shown separately is called a ......