题目内容：

 

1. My grandfather insists on doing exercise though he is in his____________ (eighty)

2.The house is on fire .We have to run out for _________（safe）

3. After Lily’s grandmother died, her          (sad) filled her life.

4.You can feel           (relax) after playing sports.

5.Though he was born in France, he can’t speak ______________（France）