he wrote ____ letter to his parents yeaterday.he wrote ____ letter to his pa.a 800wordsb.an 800-wordc.an 800-word'sd.a 800-word顺便说明为什么.

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he wrote ____ letter to his parents yeaterday.he wrote ____ letter to his pa.a 800wordsb.an 800-wordc.an 800-word'sd.a 800-word顺便说明为什么.

he wrote ____ letter to his parents yeaterday.he wrote ____ letter to his pa.a 800wordsb.an 800-wordc.an 800-word'sd.a 800-word顺便说明为什么.
he wrote ____ letter to his parents yeaterday.he wrote ____ letter to his p
a.a 800words
b.an 800-word
c.an 800-word's
d.a 800-word
顺便说明为什么.

he wrote ____ letter to his parents yeaterday.he wrote ____ letter to his pa.a 800wordsb.an 800-wordc.an 800-word'sd.a 800-word顺便说明为什么.
d.a 800-word
a letter 中间加800-word 做修饰定语

b. an 800-word
作定语要加- 去s

b
eighty 的首字母为元音字母e,所以冠词用an,
用连字符要去掉's.
比如 a 9-year-old boy

b