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)