4.The letter we received yesterday is an inquiry ____ discounts.
A.for
B.after
C.before
D.unless
查看答案
5.In terms of quality, our silk piece goods are superior ____ other brands.
A.to
B.better
C.for
D.above
6.Goods will be shipped ____ 30 days after receipt ofthe L/C.
A.to
B.on
C.for
D.within
7.No discount will be granted ____ you place an order for more than 1000 tons.
A.so
B.till
C.unless
D.nevertheless
8.We look forward _____ your orders.
A.to
B.on
C.in
D.at