题目内容
There's ____“u”and ____“s”in the word“US”.
A.a;a B.a;an
C.an;an D.an;a
答案:B
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There ’s __________“u” and __________“s” in __________ word “use”.
| A.an , a, the | B.a, an ,/ |
| C.a, a, a | D.a ,an, the |