用方框中所给的单词的适当形式填空，每个单词限用一次。

1．Father’s day is on the __________Sunday in June．

2．The traffic during the rush hour is much __________than usual

3．We must learn to look after __________ when we are alone at home．

4．_________is good or our health．

5．When I got to the op of the high mountain，I could_________walk any more．