在下列横线上填入适当的单词,补全对话。
A:Kangkang,you looked . What’s wrong?
B:I have a headache.
A:I’m sorry to hear that. What it?
B:I watched a soccer game on TV last night and went to bed very late.
A:I see. up late is bad for your health. You should go to bed early and you’ll feel
tomorrow.
B:Right! I _ have a good rest.