（）a vacation is always a good way to get relaxation and refreshment.

单项选择题Goodmannersmaybevaried（）culturalbackgrounds.

A.since
B.because
C.due to

单项选择题一Hello，thisisStevenSmith.Nicetohearyourvoiceagain.Hi，Mr.Smith.thecoverageofyourfreightforwardingbusiness？-（）.

A.Do you know
B.Please tell me
C.I would like to know about

单项选择题-Ithinkabusstopadvertisementisaverywisechancetopromoteourproducts.-（）.

A.Our products are popular.
B.You said it.
C.I don’t like advertisement.

单项选择题-Youareright.Howdoyouanalyzeourweaknesses？一weputlessemphasisontheoveralldesign.（）

A.I’m afraid
B.I tell you
C.I see

单项选择题-WhatcanIdoforyou，Madam？-500yuanincashtomysoninBeijingUniversity.（）

A.You’d better remit
B.I’d like to remit
C.I’d rather remit