Someone was heard ___ the stairs.a.come up b.to come up c.went up d.goes up

I heard someone __ for help while I was reading a novel at homeA cryingB cryC criesD to cry 3.Someone was shouting.I heard it. he heard someone shouting “help!”否定句he __ __ __ shouting help! 1.变为被动语态（1）He gave me a book.I __ __ a book.The book __ __ to me.（2）Someone heard Lucy play the flute just now.Lucy was __ __ __ the flute just now.（3）They saw her get on a bus.She was __ __ __on a bus.2.词形转换（1）Whe I heard someone was badly hurt in the t____ accident . I singing someone doing heard my honework while was I She heard someone was singing（改为简单句） She was cocking when she heard someone ( )knock at the door While she was in the kitchen, she heard someone s_ for help When I was doing my homework ,I heard someone (knock) at the door. I was reading ___ I heard someone calling my name.A while B when While I was _ _the hill.I heard someone shout to me.填二词 suddenly i heard a noise ___if someone was drinking soup填写介词 或者 副词 i heard someone calling me 为什么没有be?根据be doing sth 不是应该写成 i heard someone was calling me i was watching tv when i heard the door(knocking)i was watching tv when i heard someone(knocked)at the door两个knock形式对吗? One day while I ____ along the street,I ____ someone calling.A.walked…was hearing B.was walking…has heard C.was walking…had heard D.was walking…heard为什么选D不选C I was walking in the street when I heard someone shouting for help.中someone 后面为什么不加was啊?不是正在的意思么? I heard him sing in the classroom改为被动语态?someone say it should be modified likehe was heard to sing in the classroom.is that correct?