In this park,birds often fly down from trees to eat from visitor’s hands.They are used to ______ in this way.
A.be fed B.feed C.having fed D.being fed正确答案D
In this park,birds often fly down from trees to eat from visitor’s hands.They are used to ______ in this way.
A.be fed B.feed C.having fed D.being fed正确答案D
