21.
(A) those
(B) that
(C) which
(D) them
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統計: A(706), B(226), C(772), D(832), E(0) #1989937
統計: A(706), B(226), C(772), D(832), E(0) #1989937
詳解 (共 8 筆)
#4671085
(第三人稱)
...,many of the accidents are preventable.
= ...,many of these accidents are preventable.
= ...,many of which are preventable.
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