How would you rate your command of English grammar? On a five-point scale, are you (1) very weak, (2) weak, (3) average, (4) strong or (5) exceptional? Do you have a number or level in mind? Good. Now ...
Use commas to separate items in a list, and end sentences with periods, question marks, or exclamation marks. Use a' before words that begin with a consonant sound, and an before words that begin with ...
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