How many paragraphs does the body of a letter of complaint usually consist of?
How many paragraphs does the body of a letter of complaint usually consist of?
A.1
B.3
C.5
D.7
正确答案:3
How many paragraphs does the body of a letter of complaint usually consist of?
A.1
B.3
C.5
D.7
正确答案:3
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