Can chicken f_______?Oh,no.they are not birds.
penguins are birds,but they are not l____ most birds.
Are they your f_______?yes,they are.
No,they are not 缩写
--Are they ( ) buuks?No,they are not .--They are ( ) buuks.
Are these___tickets?No,____are not ____.(they)
急.C No,they are not.D Yes ,they are
no,they are not reps.they are our employees
Are these CDs______? No,they are not mine. They
Are those ---trousers?No,---are not ---.---are blue.(they)
They are birds 写出问句
What is my favorite animal?they are birds,but they can t fly
翻译:What is my favorite animal? they are birds,but they can t