Vocabulary:

circus - a traveling company of acrobats, clowns, and other entertainers which gives performances.

acrobat/acrobatics- An acrobat is an entertainer who performs difficult physical acts such as jumping and

balancing, especially in a circus.

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Grammar review:

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"for and since for Time"

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We often use for and since when talking about time

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*for + period: a "period" is a duration of time - five minutes, two weeks, six years. For means "from the beginning of the period to the end of the period".

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*since + point: a "point" is a precise moment in time - 9 o'clock, 1st January, Monday. Since means "from a point in the past until now.

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Look at these examples: