题目内容
I want to be ________ computer engineer in the future, so I work on my computer for more than ________ hour every day.
A.a; a B.a; an C.a; / D./; an
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题目内容
I want to be ________ computer engineer in the future, so I work on my computer for more than ________ hour every day.
A.a; a B.a; an C.a; / D./; an