the birds sat ____the roof and then flew away___the tree.介词填

the birds sat ____the roof and then flew away___the tree.介词填 He shot at the birds in the tree and they flew _____. There are many birds( ) the tree.填介词 There are mang birds ____ the tree.填介词 帮个忙.. Listen!Many birds are singing()the tree 填什么介词 The birds sat upon a tree ,and poured forth their lily of so 括号里填介词：There are some birds ( )the tall tree. i climbed(填介词)the tree 几道首字母填空1.in spring all the birds flew back home,s____ and so 填介词Put the map ____the wall,please ____the moment they are playing on the playground 填介词 wsah the carrost and tomatoes then cut them什么.填介词