There was/were问题Once upon a time,there _______ an old man and an old woman.横线上应填上was还是were?请简单解释一下

There was/were问题Once upon a time,there _______ an old man and an old woman.横线上应填上was还是were?请简单解释一下 There was once ___ time ___ they were good friends 为什么填a,when There was once a man there once was=近义词 once there was中文意思 once there was no zero. there was,there were造句, Once there was a small boy naming Shankar.这句话哪儿有问题? There once was a factory near sunshineriver there was once a lonely girl there is ,there are there was there were There was,There were造句,There was造5个There were造5个 完形填空 Once upon a time,there were. Once,there were several researchers in英语完形填空 为什么once there _an old man and his two songs living in the village选b A.is B.was C.are D.were 第一行开头补充 Once there were two mice.They were friend第一行开头补充 Once there were two mice.They were friends. There were not anything in sight. were 还是was? why Once upon a time,there was a pretty ,fresh