For the past ten years we have been selling various durable goods to wholesalers and large retailers in all the major cities of China, and______a considerable number of well-established connections.
A.has built
B.has built up
C.have built
D.have built up
正确答案是D
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。