Поставьте вопросы .victor visited his friend yesterday. (общий) my sister polly is working in the garden now. (альтернативный) the boys read an interesting text last week. (who) liz and fred always do their homework. (специальный c when) megan doesn’t speak english. (разделительный)

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a bicycle, also known as a bike, pushbike or cycle, is a human-powered,pedal-driven,    single-track vehicles, having two wheels  attached to a frame, one behind the other. a person who rides a bicycle is called a  cyclist, or bicyclist.

bicycles were introduced in the 19th century and now number about one billion worldwide, twice as many as  automobiles. they are the principal means of transportation  in many regions. they also provide a popular form of recreation, and have been adapted for such uses as children's toys, adult fitness, military and police applications, courier services and  bicycle racing.