i heard someone saw a UFO last night哪里错了?heard someone saw a 中改一个。

i heard someone saw a UFO last night哪里错了?heard someone saw a 中改一个。 3.Someone was shouting.I heard it. I singing someone doing heard my honework while was I i heard the bees long before i saw them i heard someone ( ) a song on my way home I heard someone was badly hurt in the t____ accident . I heard someone is singing.(改为简单句) While(cross)___the street.I saw someone waving to me. While(cross)__the street,I saw someone waving to me I saw saw saw 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 heard someone open the door when I passed by 改错 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 英语翻译为了省时间我忽略大小写谢谢i was walking around the block to getsome fresh air.just as i was turning back towards home i heard someone crying crying.then i saw a woman,looking lost,calling out ,walking on and off the sidewalk. I heard someone (cry) in the next room at 9 last night I heard someone _____(knock /knocking) at the door just now .横线上应填什么?为什么