Iftheremarketingplanssucceed,they        theirsalesby2...

問題詳情：

 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

知識點：一般將來時及其被動式

題型：選擇題