182. (32026-!-item-!-188;#058&006326) The organic food industry has organized a successful grassroots campaign—using Web sites, public meetings, and also mass mailings—that have convinced the Department of Agriculture to change the proposed federal regulations for organically grown food. A. using Web sites, public meetings, and also mass mailings—that have convinced B. using Web sites, public meetings, and mass mailings—that has convinced C. by using Web sites, public meetings, and mass mailings—in convincing D. by the use of Web sites, public meetings, as well as mass mailings—that convinced E. which used Web sites, public meetings, and mass mailings—in convincing Right: B, wrong: C 不理解这题目为什么我又错了 -- by 会员 liuyongmei (2011/1/6 23:20:46)
有横杆就不需要"by"! |