Hello,
The paragraph below is part of an article from an English learning book. My question is why there's a comma after "left or right" in the first line of the paragraph but there is no comma after "moves around corner" in the second line?
The Robot turns left or right, and vacuums while you watch TV or exercise. Take a nap, and the house is clean when you get up. The robot moves around corners and washes the floor while you listen to music or check your e-mail.
Thanks.
My question is why there's a comma after "left or right" in the first line of the paragraph but there is no comma after "moves around corner" in the second line? The writer is inconsistent in his/her use of commas.
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My question is why there's a comma after "left or right" in the first line of the paragraph but there is no comma after "moves around corner" in the second line? The writer is inconsistent in his/her use of commas.