6. We don’t think we can put the business through ____ you revise your terms and conditions.
A.unless
B.expect
C.only if
D.in addition
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7. As said on the telephone this morning, we are sending you by separate airmail the samples, ____ you will find them satisfactory.
A.to hope
B.hoping
C.hopefully
D.hope
8. We shall be glad to send you sample-cutting books and pamphlets of our new products ____.
A.with request
B.as request
C.upon request
D.at request
9. Our silk garments are durable____ use, beautiful ____ design and rich____ traditional Chinese art.
A.in, in, in
B.in, to, for
C.to, for, in
D.for, in, on
10. We hope our latest computers will sell ____ in your market.
A.popular
B.a ready market
C.a fast seller
D.like hot cakes