these are birds 一般疑问句 Are these birds?Yes,these are.回答错了吗

these are birds 一般疑问句 Are these birds?Yes,these are.回答错了吗 These books are ours.(改为一般疑问 There are some birds in the tree.改为一般疑问 These are black birds.改为同义句 These are read apples.改为一般疑问句 these are their friends怎样改一般疑问 There are some birds in the picture.(改为一般疑问句句)__________ there ___________ birds in the picture? These are my parents .(改一般疑问) This is my mother.These are my parents .(改一般疑问)This is my mother.This my father.(合并句子) These birds are flying.Those birds are flying too.(合并为一句) It’s an English book.（改为陈述句）These are arms.（改为单数句） Those are my books.（改为一般疑问 There are some birds in the sky改一般疑问句 There are some birds in the tree改为一般疑问句 There are some birds on the tree.的一般疑问句 some birds are singing in the tree.改为一般疑问句 The birds are digging a hole.(一般疑问句)把The birds are digging a hole。变成一般疑问句 Those are onions改一般疑问 these are socks的一般疑问句,肯定回答,否定回答,以及对socks划线部分提问,还有一个疑问：划线部分提问不是要写成“what are they?还是what are these? that is a fierce tiger .改为复数句 these birds are singing in the tree.改为单数句that is a fierce tiger .改为复数句 these birds are singing in the tree.改为单数句 ted is playing volleyball with carol 改为一般疑问句 -Who are these white birds?-They are Mr Green's.这句话哪里错了