14.We have to hold you ____ your contract.
查看答案
15.You may count ____ our full cooperation in the settlement of this matter.
A.for
B.of
C.on
D. /
16.Contracts must be renewed one week ____ their expiration.
A.on
B.against
C.the moment of
D.before
17.As mentioned ____ my letter of August 6, the shoes were not satisfactory.
A.on
B.at
C.for
D.in
18.The goods will be shipped ____ October 1.
A.in
B.to
C.on
D.with
微信支付 
支付宝支付