The words if you don’t go over them for several days.A. will forgetB. forgottenC. will b

问题补充：

The words if you don’t go over them for several days.

A. will forget

B. forgotten

C. will be forgotten

D. were forgotten

答案：

A. will forget

B. forgotten

(答案→)C. will be forgotten

D. were forgotten

解析：句意：如果你几天不复习单词，它们就会被忘记。If引导的条件状语从句，主句用一般将来时，从句用一般现在时，且“单词”和“忘记”之间是被动关系，故用被动语态，选C。