2.He__________ practiced for a long time before he gave his successful performance.(A) has (B) had (

問題詳情

2.He__________ practiced for a long time before he gave his successful performance.
(A) has
(B) had
(C) having
(D) have

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增

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