we study the birds by() A.doing bird count B.counting them 选哪个?为什么?

we study the birds by() A.doing bird count B.counting them 选哪个?为什么? study the different kinds of birds为什么different前要加the? study birds in the forest 的意思是什么 We are enjoying the birds( ).(sing) We are enjoying the birds .(sing) We often( )birds in the treeA.look at B.see at C.look D.look like We ( )in the same school.A.study B,to study C .studies we()in the school every day A:study B:studied C:studies D:will study We study for the revolution not that we know of 这是什么结构A:Do any other birds have this ability?B:Not that we know of.There was a study using pigeons,where researchers attempted to reduce MSR to a matter of conditioning,that is they claimed that the ability to recogniz (Birds) can fly but (fish) can't A the birds,fish B the birds,fishes C birds,the fish D birds fish We _______ little birds.A.look at B.look after C.look the same D.look like zoo,mang,see,at,can,we,birds,the. 咋连呀 We can see some birds on the tree we shold ____(be) quiet near the birds cage we ___ see ___ birds in the tree Yes,we did and the birds shared lunch with us. We study for the people 中.study是不是谓语