Not only             , but I learned some knowledge.
#47334
A
did I help other people
B
do I helped other people
C
I helped other people
D
helping other people
推荐题目
If you don’t go for a picnic tomorrow, _____.
#47120
A
me, too.
B
so do I
C
neither do I
D
neither will I .
—He has never been to Beijing. — 
#47283
A
So do I
B
Neither have I
C
So have I
D
Neither haven’t I
–My sister has never visited Eiffel Tower. How about you?– __________.
#47338
A
So have I
B
So did I
C
Neither I have
D
Neither have I