[W12] In this park sparrows often fly down from trees to eat from visitors' hands.They are used
问题描述：
[W12] In this park sparrows often fly down from trees to eat from visitors' hands.They are used
to ______ in this way.
A.be fed
B.feed
C.having fed
D.being fed
翻译包括选项,并分析.
答
在这个公园里,麻雀经常从树上飞下来吃游客手上的食物,他们习惯了以这种方式被喂养
（这种喂养方式）.
be used to doing 习惯于做某事 这里主语是 麻雀,谓语是喂 ,麻雀是被喂的,所以用被动,be used to being fed.