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Formal and informal emails

Using polite language, sequencing points, replying to an enquiry and apologising and giving reasons.

B1 (中级)
B2 (中高级)
C1 (高级)
C2 (精通)
W
Williamb
( 4.0 )
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Formal and informal emails

Using polite language, sequencing points, replying to an enquiry and apologising and giving reasons.