阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。

Some people think only children are selfish, lonely, or unhappy. They say   【小题1】 is difficult for an only child to play or work   【小题2】 others. But this is not true. Only children are often very responsible. They are better at   【小题3】 (communicate) well with people because they speak mostly with adults at home. They are more likely to make 【小题4】(friend) outside the home. This is 【小题5】 (nature). They need to play with other kids.

Polly is 【小题6】 (I) next-door neighbor. We were also born on the same day. She is an only child. Polly 【小题7】 (say) that she is neither lonely 【小题8】unhappy. She

can talk to people 【小题9】 (easy) and she is not afraid of anything.

In fact, there is no big 【小题10】 (different) between only children and people with siblings(兄弟姐妹).