单项选择题
A.Take B.Took C.Taking
Goodmannersmaybevaried（）culturalbackgrounds.A.sinceB.be...
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一Hello，thisisStevenSmith.Nicetohearyourvoiceagain.Hi，Mr...
单项选择题一 Hello， this is Steven Smith. Nice to hear your voice again.Hi， Mr. Smith. the coverage of your freight forwarding business？ -（）.
A.Do you know B.Please tell me C.I would like to know about
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A.Our products are popular. B.You said it. C.I don’t like advertisement.
