i bought(a,an)umbrella,(the,a,an)umbrella is very nice从括号里选择适当的单词,说明为什么急

问题描述:

i bought(a,an)umbrella,(the,a,an)umbrella is very nice从括号里选择适当的单词,说明为什么急

a the
第一个u发音不是元音,选a
第二个特指你带的伞,选the