E-mail, as well as telephones, ________ an important part in daily communication.

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________, he had one small shop, now he is the owner of a huge business with many branches.

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A true scientist ________ Einstein will never be satisfied with his achievements.

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A child ________ parents are dead is called an orphan.

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The soup ________ you prepared was delicious.

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The car ________ he bought was too expensive.

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Research is also ________ frequent conference to exchange.

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The players has ________ Sydney.

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What are you afraid ________?

I'm afraid ________ dogs.

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________ he was a little shy in class, but now he acts more naturally.

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