9. Sometimes, transshipment and partial shipment are ________ by the buyer.
（ ）
A.
permission
B.
permitting
C.
prohibited
D.
prohibiting
10. We offer you our lowest price, ________ we have done a lot of business with other customers.
（ ）
A.
which
B.
that
C.
with which
D.
at which
11. Because of the weak market, we have to decline our price ________ 5%.
（ ）
A.
with
B.
to
C.
by
D.
for
12. As the selling season is approaching, please ship the goods with the least ________ delay.
（ ）
A.
possible
B.
profitable
C.
impossible
D.
portable
13. Enclosed is a copy of our price list ________ for in your letter of December 12.
