衡水老白干41度250ml*2:一道英语题

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He wrote____letter to his parents yesterday
A.a 800 words
B.an 800 - word
C.an 800-word's
d.a 800-word

选B,800,就是eight hundred,是元音音素开头的,故A、D都不对,C项改成 an 800 words 就对了

选B,作为定语修饰letter, 800 的读音开头是元音,所以用.an .有连字符的用单数,相当于形容词.

d

B