题目
A.post one copy to us for file
B.send one copy back to us for file
C.return one copy back to us for file
D.countersign one copy back to us for records
第2题
A.We offer as follows, subject the goods being unsold
B.We offer as follows, subject to the goods being in stock on receipt of orders
C.We offer as follows, subject to prior sales
D.We offer as follows, subject to change without notice
第7题
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