摘要:1.There is “u and “s in the word “useful . A.a; an B.a; a C.an ; an D.an; a
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There is ________ “u” and ________ “s” in the word “useful”.
A.a; an B.a; a C.an ; an D.an; a
查看习题详情和答案>>There is _______ "u" and _______ "s" in the word "useful".
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A.a; an
B.a; a
C.an ; an
D.an; a
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B.a; a
C.an ; an
D.an; a