I heard some children __(sing) a song just now .

some children.many childre的区别. i heard some drills last night.(否定句) I heard some children __(sing) a song just now . 短文改错I am glad to heard that some changes i was trying to find my way out when i suddenly heard some noise above me. [I heard some noise from the room_____(在上面)]应该填什么? I haven't heard from you for quite some time now.为什么后面要加个now呢? I have not heard from you for some time 求翻译 I have not heard from you for some time ,so 怎么接句子? I heard you came across some Americans last Sunday其中的came用过去式?(我知道后面有last Sunday) 但heard不是跟do 或doing? Nowadays most children go to school but few of them have ever asked why they go there.Some childre I’ve heard a great deal of Chinese expressions, but could you give some useful sentence patterns 英语翻译I heard that some patients who had undergone laser eye surgery experienced sudden losses of vision,didn't they? quarter和season有什么区别?I heard they're going to lay off some people this quarter I was at nine o’clock ______ I heard some terrible noises upstairs.It was seven o’clock _______ I was standing under the Big Ben Maek childre这是什么意思 I heard someone___the door and___ When I was walking past the office,I heard some students____about the weekend picnic.A.talk B.talking C.talked D.to talk 求答案 求解析