【题目】Tom was so careless with his spelling that he often _______letters from words.
A. left out B. left behind
C. left off D. let alone
在线课程【答案】
【解析】A
解析 考查动词短语辨析。leave out遗漏；leave behind留下，遗留；leave off停止，中断；let alone更不用说。依据前面提及的careless可知，这里应该是将单词的字母遗漏了。故选A项。