题目内容

We should first _____ our appreciation for the enquiry.

A. say
B. tell
C. express
D. speak

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We should encourage the customer to ask you for _____ information

A. many
B. much
C. more
D. a lot

Before ______ quotation, we should have a comparison between your products and other identical products

A. making
B. make
C. made
D. maken

Their purchase quantity are ______ so that they won’t make the same offer.

A. varying
B. variety
C. vafiried
D. various

they have inequable for products quality and packaging.

A. required
B. requirement
C. requirements
D. requiring

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