I didn't know the girl you___the sheep?A.had fed B.had her fed C.had feed D.had to feed

I didn't know the girl you___the sheep?A.had fed B.had her fed C.had feed D.had to feed
I didn't know the girl you___the sheep?
A.had fed B.had her fed C.had feed D.had to feed

I didn't know the girl you___the sheep?A.had fed B.had her fed C.had feed D.had to feed
C
我不认识那个你叫她喂羊的女孩.
have somebody do something让某人做某事,句子里是have the girl feed the sheep让那个女孩喂羊,girl提前,变成定语从句,就是
I didn't know the girl (who you had 《这里是原来girl的位置,现在放到前边去了》feed the sheep.)

a
过去完成式
所以是had
feed的分词形式是fed