问题补充:
John was given the same suitcase his father and grandfather with them to school.
A. took
B. had taken
C. were taking
D. would take
答案:
A. took
(答案→)B. had taken
C. were taking
D. would take
解析:the same suitcase 后省略了关系代词that,that在定语从句中做了had的宾语,定语从句中使用了have sth. done 的结构。该题难度较大。