Some birds have highly developed senses that enable them _ in the dark.A.to fly B.flying为什么选a呢 除了固定用法以外有没有语法归纳上的解释?

Some birds have very beautiful ____(羽毛) some birds have gorgeous flowers这句话怎么翻译 birds can fly high because they have their wings改成同一句怎么改 what are some things all birds have in common?这句话的意思是什么？ 1.There aren't some birds in the sky.2.I not have a new pen.句子改错 将下列句子改为一般疑问句.l have some birds We like fishingThe boys are under the tree This time I am also ( ) to instroduce a computer game to you.It's called Angry Birds.The story is( ) this:Some fat pigs steal the birds'eggs,so the birds( ) with them.The birds with ( ) colors don't have the same abilities.For example,the black birds high school-grad 和high school-some 英语翻译What will the weather be like?Some people say they can know what the weather will be like from birds.When they see birds fly high out to the sea ,they know it is a nice day,because birds don’t like to fly out when it will rain.When the There are some birds s___in the tree. There are some birds singing( )the trees There were some birds _______ the forest. Some birds ( )to the south before winter some birds are outside 填什么 window All birds have wings,but not all birds can fly 20.LOOK!WHAT A ___BUILDING!THE BIRDS ARE FLYING__THERE.A:HIGHLY;HIGH B:HIGHLY;HIGHLYC;HIGH;HIGH D:HIGH;HIGHLY have a high fever There are some birds in the trees对some birds 提问