答案：D测试点：同位语。分析：逗号前为完整句子，逗号后应为从句，后置定

答案：D测试点：同位语。分析：逗号前为完整句子，逗号后应为从句，后置定语或同位语。答案中(A)(C) 三者都不是：(B)虽是从句形式但主语重复用未用被动语态：只有(D)可作同位语。

Kết quả (Anh) 1:

Answer: d test points: appositives. Analysis: for complete sentences before the comma, comma is expected after the clause, later augmented by or apposition. Answer (a) and (c) none of the three: (b) have form but the subject of reuse not use passive voice only (d) can be used as an appositive.

Kết quả (Anh) 2:

Answer: D test point: appositive. Analysis: before the comma is complete sentences, clauses should be after the comma, post attributive or appositive. Answers (A) (C) of the three are not: (B) Although the clause form the subject of repeated use but not use the passive voice: Only (D) can be used as appositive.

Kết quả (Anh) 3:

Answer: D test: 2. Analysis: a comma before the whole sentence, after a comma for clause, or an appositive post modifier. Answer (a) (c) are not: (b) though it is a clause in the form but repeating the subject with did not use the passive voice: only (d) can be as the appositive.