what are these?these are books.哪里错了

what are these?these are books.哪里错了 A:What are these?B.:These are books.A:Thanks. These are her books.These books are what are these ? These are ( )? 改错(What're) these?(These are) English (books). These are t books. These books are _____. These are ()() my books. These books are my______. These are pencils-boxes哪里错了? Are these your friend哪里错了 -what are these?-These are pictures.这个句子有一处错了,在哪里,订正出来