根据句意，用所给单词的适当形式填空。His father used to smoke very ____________ （heavy）.
When they saw their favourite film stars， they shout with ____________ （excited）.
Though the old man is in his ____________ （nine）， he is still very healthy.
The house is on fire， we have to run out for ____________ （safe）.
Though he was born in France， he can’t speak ____________ （France）.