6.The excellent reviews given to the TV play _______ its success.
A.led B.ensured
C.lost D.destroyed
7.The manufacturers won’t take the _______ for damage caused by misuse.
A.duty B.responsibility
C.reliability D.reputation
8.The boss was so impatient that the employees always answered his quesitons _______.
A.carelessly B.freely
C.bravely D.cautiously
9.Under the _______ she had to accept the job.
A.rules B.circumstances
C.occasion D.convention
10.The company _______ its customers a new catalogue every half year.
A.formulates B.requires
C.forwards D.dispatch
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 B.with
C.of D.through
