on the birds' cage 什么意思

on the birds' cage 什么意思 on the birds cage是什麽意思 The sign on the birds' cage is interesting.怎么改 The sign on the birds cage is intereting一般疑问句 The sign on the birds' cage is ingeresting.(对划线部分提问)The siThe sign on the birds' cage is ingeresting.(对划线部分提问）划线部分：on the birds' cage The sign on the birds' cage is ingeresting.(对划线部分提问)The siThe sign on the birds' cage is ingeresting.(对划线部分划线部分：on the birds' cage The sign on the birds’ cage is interesting.(对划线部分提问) The sign on the birds' cage is interesting.is为什么要改成are The sign on the birds'cage means ‘Be quiet'. （改为一般疑问句） The sign on the birds' cage is interesting.(改一般疑问句） the sign is ( on the birds' cage） 对括号部分提问 The sign on the birds’cage is interesting.（改为否定句） The sign ( on the birds' cage） is interesting 对括号部分提问 The sign on the birds' cage means we should keep quiet 否定句 课本上鸟笼是the birds' cage 到底是 the bird's cage还是 the birds' cage The birds in the cage long for_______(free) cage are birds in there many the 组成一句话 we shold ____(be) quiet near the birds cage