根据题意写单词1.It was so dark that I could h___ see anything.2.He

根据题意写单词
1.It was so dark that I could h___ see anything.
2.He disliked even h___ studying,so he spent much time in playing computer games.
3.Although the old man is 70 years old,he is very h___ and is seldom sick.
4.The little girl can walk by h___.