Iftheremarketingplanssucceed,they        theirsalesby2...

问题详情：

 If there marketing plans succeed, they         their sales by 20 percent.

   A. will increase             B. have been increasing  

   C. have increased            D. would be increasing

【回答】

A

知识点：一般将来时及其被动式

题型：选择题