she was watched ______her room in silence.为什么答案用的是to leave,l

she was hard to leave.是it was hard to leave her的变形,但为什么? she was heard to in the room Jim was the first to break the silence.为什么第二个用the silence 以及 she was listening to the radio in the room. 英语翻译答案为什么是watched his son sent into the operation room而不是 wa she usually ______her homework in theevevening . in silence为什么要用in 6.My sister told me to ___ and leave her alone as she was in She is to leave for shanghai tomorrow.为什么这里的 is to leave for who was the last student () school 为什么是to leave 不是leave leav 动词不定式1.She was often seen ____ in the room.A.dance B.to danc SHE WAS HEARD TO PLAY THE PIANO IN HER ROOM LAST NIGHT,搞不懂啊