下面这道题是2013年湖南高考的一道选择题:
Every day ______ a proverb aloud several times until you have it memorized.
A. read B. reading C. to read D. reads
答案是 read,为什么不选to read呢?这个不定式为什么要省略to呢?好像不符合省略to的条件啊!