He is often heard _____ in the next room.A.singing B.sang C.to singing D.to sing 为什么答案是A而不时D呢?hear sb do sth变成被动语态后,do sth前面不是要加上to

He ______ sing English songs.A.is often heard to B.is often heard C.often hears D.is often hering 选哪个?为什么?句子意思是? ______it said that he is not to be trusted A.Often I heard B.Often did I hear C.Often have I heard mr green is a kind-hearted man.he often helps othersmr green is a kind-heard man()often helps others He was often heard sing .对么 Jackon is a talented boy,he's often heard ( ) the violin.A.to play B.playing C.play D.plays Jackon is a talented boy,he's often heard ( ) the violin.A.to play B.playing C.play D.plays he heard someone shouting “help!”否定句he __ __ __ shouting help! __(he) often plays basketball after school. he often __(play) soccer at school He often __(shop)with his friend. (中考英语）He is very kind,he often help the old __ the road.He is very kind,he often help the old __ the road.A、above B、acrossC、throughD、over选哪个? Last year,he often heard Tom (sing) in next room He is a good man.He often thinks more of __ than himselfA the otherB othersC anotherD the others Bruce is very naughty .He often annoys his father .(同一句)Bruce is very naughty .He often __ his fther ___对不起，下面的题是：Bruce is very naughty.He often ___ his father ____. He is __ Class Two,__ One. Is he young?Ye,__ __. that means she is often heard ( ) in the room 翻译 the expression ASAP is often heard in business offices He is famous 同义句He is __ __