根据句子及所给单词的首字母，完成下列单词的拼写，使句意通顺。

1．The I _______(因特网)plays an important part in our 1ife．

2．I r    (归还)West Journey to the library yesterday．

3．The children are playing h________(快乐地)in Fanta Wild Adventure Theme Park．

4．The people in China are f_______ (友好的)to foreign tourists．

5．The climber will reach the top of the mountain w___________(在……之内)20 minutes．