完成下列句子.(每空1 分，共12 分)
（1）They are his socks .(改为一般疑问句) ______ _____ his socks ?
（2）This is a sweater.(改为对应的复数形式的句子) _____ _____ ______ .
（3）It is a book. (改为一般疑问句) ______ ______ a book ?
（4）This is Li Ming’s hat. (对画线部分提问) _______ _______ is this?
（5）Are they new ? _______,they are old.
（6）The book is ______the desk.(书在桌子的上面)
（7）The desk is_______the bed.(桌子在床的旁边)