问题描述:
With all my attention ____ my homework,i didn't even notice my father standing by me.
a.fixed on b.fixing on
答案选a,但不是有 with time going by= as time goes by 吗?这两个问题不是类似的吗? (满意追加财富悬赏)
a.fixed on b.fixing on
答案选a,但不是有 with time going by= as time goes by 吗?这两个问题不是类似的吗? (满意追加财富悬赏)
问题解答:
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