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Read the text below.
The Best Treadmill
Few things are as synonymous with indoor exercise as a treadmill. Loved (or loathed) by runners of varying skill levels, training on a treadmill is the best fill-in for going on a walk or a run when you’re faced with unfavorable outdoor conditions or commitments that keep you at home. And some people prefer using a treadmill to training outdoors. After walking and running on 29 treadmills over the past six years, we’ve concluded that the NordicTrack Commercial 1750 is a dependable, versatile machine with a smooth ride and a sturdy build. It has a straightforward design that is easy to navigate, plus a large color touchscreen. An optional subscription for on-board workout content is available, too, if you want an extra dose of motivation.
Fonte: https://www.nytimes.com.
Considering that Present Simple and Present Continuous are used to present facts in the current moment, the sentence that correctly presents the structure of both verb forms is:
While she typically prepare breakfast for the family, today she is busy respond to emails before heading to work.
The sun rises every morning, illuminating the sky while the birds are singing their morning melodies.
The river flow calmly and steadily in its natural course, while the trees are sway gently in the breeze.
He normally read fiction books, while his wife is exploring contemporary poetry to expand his literary horizons.
While I usually exercise in the morning, I considering starting to run in the afternoon to vary my fitness routine.