问题
选择题
-- I’m afraid I have to call your parents if your homework _______ before four o’clock today.
-- Sorry, Mr. King. I will do it right now.
A．doesn’t do
B．won’t do
C．isn’t done
D．won’t be done
答案
答案：C
题目分析：句意：如果今天四点前你不能完成作业，恐怕我不得不给你的家长打电话。对不起，金老师。我马上就做。homework与do为被动关系；if如果，引导条件状语从句，一般现在时，故选C.