用方框中所给单词的适当形式填空。

1.  His neighbors refuse__________anything to him because he never returns it to them.

2.  The dictionary is _________to young students.

3.  The girl is badly _________by her stepfather (继父).

4.  The designer offered_________a tall building for us.

5.  Don't stand on the wall.  You aren't in_________.

在新的历史条件下，群众工作中存在哪些问题？