问题补充:
Could you tell me the bike without any help this morning?
A. how does he mend
B. how he mended
C. how he mends
D. how did he mend
答案:
A. how does he mend
(答案→)B. how he mended
C. how he mends
D. how did he mend
解析:本题考查宾语从句。宾语从句要用陈述语序,排除A 和 D;结合句意“今天早上没有帮助的情况下,你是怎么修的自行车”可知mend发生在过去。