Competition can the enterprises to improve the quality and increase the variety of their products.
A. promote
B. prompt
C. promotion
D. promptitude
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In the past years, we have made efforts to develop business.
A. in this line
B. for the section
C. of this
D. on this line
This agreement may be six months before its expiry.
A. expanded
B. renewed
C. postponed
D. proloned
We can assure you that these suits are very popular in the FAR-EAST markets, we have had some experience.
A. which
B. that
C. of which
D. of that
By joint efforts we can both friendship and business.
A. increase
B. expand
C. extend
D. promote
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