In spite of the differences, at least（）percent of the English words fit consistent spelling patterns.
A、sixty
B、seventy
C、eighty
D、ninety
【正确答案】：C
【题目解析】：In spite of the differences, at least eighty percent of the English words fit consistent spelling patterns.书面形式与口语形式虽然有差异，但80%以上的拼写在书面语和口语中还是统一的。答案为C。
