14. A: Mark always has poor grades. B: Well, I’m not surprised at all. _____________
(A)He has a good teacher.
(B)I can’t remember his name.
(C)He never concentrates on his studies.
(D)He’s such a great boy.
(E)He likes to do homework.

答案：登入後查看
統計： A(72), B(85), C(2477), D(113), E(24) #403894

詳解 (共 2 筆)

#620952
poor grades.成績不佳
concentrates  康森垂死  集中 focus,  
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#3572713

concentrate翻譯：注意, 專注，專心；全神貫注；集中（注意力）, 聚集, 集中；聚集；匯集； 集結, 把水除去, 使濃縮, 濃縮物；濃縮液, 精礦。

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