While they were talking ,the bell rang.为什么后面不用过去进行时而用一般现在时

They were singing while we were dancing. while they were having a meeting ,3 while they were having awhile they were having a meeting ,3 psychiateists had an interesting. people are always coming to v___ us with their guilt and fears one said ,but we have no one to talk about our p___ Si They were singing while we were dancing这句话可以用while吗 They can stop and go easily,and they can talk while biking.是啥意思 They ehjoyed 【they】while they were staying in Beijing.适当形式填空 这个英文句子我读不懂,求翻译.Parents using face-to-face buggies were twice as likely to talk to their children while the heart rates of the babies fell and they were twice as likely to fall asleep, an indicator that they were feeling rela They were singing while we were dancing.怎么读,我想知道它们的发音 They would take care of their furniture ___ they were away.When 还是while while they were talking it began to rain and Dimitri stayed in Aleko's house until the rain这句话中while they were talking it began to 把they remember what they were doing when they heard about the event.改为用while引导 They were heard ______ in the next room every night.A.talking B.to talk Who did the astronauts talk to when they were in space?的译文 （ ）the teacher came in, they were talking and laughing. A.while B.when ____the teacher came into the classroom,they were arguingbefore after until while as 选 根据首字母填空.What h（ ） while they were on the phone? While they were talking ,the bell rang.为什么后面不用过去进行时而用一般现在时 求翻译：while they were discussing how to solve the problem ,another problem happened. They were playing football ___it rained A.while B.when C.as D,before