We heard Kitty sing in the next room this morning.改为被动语态Kitty ____英语解答

We heard Kitty sing in the next room this morning.改为被动语态
Kitty _______ _______ ________sing in the next room this morning.

人气：140 ℃　时间：2019-08-31 18:13:26

解答

was heard to;
主动语态：hear sb do sth；
被动语态：sb be heard to do sth：一定要加上to；