问题
选择题
There is _______ "u" and _________"r" in the word "umbrella".[ ]
A. a, a
B. a, an
C. an, a
D. an, an
答案
答案：B
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There is _______ "u" and _________"r" in the word "umbrella".[ ]
A. a, a
B. a, an
C. an, a
D. an, an
答案：B