题目内容
Do you know ______an “o” and _____ “u” in the word “computer"?
A. there is; an B. is there; an
C. there is; a D. is there ; a
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题目内容
Do you know ______an “o” and _____ “u” in the word “computer"?
A. there is; an B. is there; an
C. there is; a D. is there ; a