问题
选择题
-He __________ his mother do the housework at the age of eight.
-We should help our parents with the housework. I did it when I __________ six.
A. helped, was
B. helps, was
C. helped, am
D helped, am
答案
答案：A
根据句意及句中的标志词可知此题考查一般过去时的用法，故选A。
