Here are t____ pictures. A man and a boy are in one picture. Who are they? L____ me tell you. The man is Mr. White, and the boy's n____ is Bill. He's the man's son. Now they are in Bill's bedroom. We can see some Chinese b____ on his desk. And on the bed, t____ is a shirt. It's Bill's. His trousers are on it, too.

    Now let's l____ at the other picture. You can see a woman and a girl in it. The woman is Bill's m____ and she's in her daughter, Ann's room. You can see a photo o____ the Whites on the white wall. W____ that on the floor? Oh, it's Ann's hat. but it looks l____ a brown cat.

中国唯一一位参加过十届全国人大的代表申纪兰深情地说：“要不是人民相信我，要不是有人民代表大会制度，我这个普通农民怎么能当这么多届人大代表？我的人生经历见证了中国民主进程。”申纪兰深情而朴实的言语生动地表明(   )
①人大代表都由选民直接选举产生
②人大代表对人民负责
③人大代表必须密切联系群众
④人民代表必须自觉接受人民的监督