11.The goods must be packed according to the buyer’s _______ or the buyer won’t make the payment.

A.instructions                                                   B.order

C.inspiration                                                     D.construction

12.We have reduced the quantity _______800 _______400 kilos.

A.at, to                                                             B.from, to

C.with, and                                                       D.to, from

13.For the transaction, the exporter insisted _______payment by L/C.

A.for                                                                B.on

C.at                                                                 D.in

14._______what sum shall we open the letter of credit?

A.To                                                                B.At

C.Under                                                           D.For

15.They must find new markets _______their commodities.

A.for                 &nb sp;                                              B.with

C.of                                                                 D.through

16.We agreed _______more specific payment terms.

A.on                                                                B.in

C.to                                                                 D.at

17.Extra expenses are to be borne _______me.

A.through                                                         B.with

C.by                                                                D.for

18.The consignment is delivered _______all the charges paid.

A.in                                                                 B.by

C.with                                                              D.through

19.Owing _______unusual shortage of stock, this offer is made subject to the goods being unsold.

A.for                                                                B.at

C.to                                                                 D.with

20.There are trade exhibitions going on all over China _______this time of the year.

A.at                                                                 B.from

C.in                                                                 D.for