________ more difficult for grow-ups to learn a foreign language.

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It is the third time ________ I have been that city.

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Was ________ because he was very ill that he asked for leave?

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It was an exciting moment For these football fans this year, ________ for the first time in years their team won the World Cup.

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

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________ of land in that district ________ covered with trees and grass.

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________ good since I got the work.

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Would you give me a box ________?

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It is generally believed that teaching is ________ it is a science .

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He tried to go away without being noticed by the teacher, but luck ________ him.

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