Some birds live in cool places in spring start flying to war

Some birds live in cool places in spring start flying to war Some birds are flying in the() sky 英语翻译Some animals like to live in places ___________ it______ places to live 为什么不是places to live in? Clumsy birds have to start flying clumsy birds have to start flying early need somewhere to live 还是live in?need some places后跟什么? start living here还是start to live in here When I looked----,I saw some birds flying in the sky 1,There are some birds in the sky.They are flying.(合并句子） some birds 画线are flying ,in the sky .对画线部分提问. The flowers start to grow and the trees_____green in spring.