we are not in a postion to offer firm, as the goods are（）
A. without stock
B. from stock
C. out of stock
D. outside of stock
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we（）to allow you a special discount if you increase your order to 5000 pairs
A. are prepared
B. were prepared
C. are prepare
D. have prepared
To comply with your request, we are quoting you（）
A. as following
B. as follow
C. as follows
D. follow
With a firm offer it is theoption to accept or reject during the validity period（）
A. broker's
B. seller‘s
C. buyer's
D. any third party
“This offer is subject to your acceptance by Aug. 15th” is a（）
A. non-firm offer
B. offer without engagement
C. firm offer
D. indefinite offer
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