根据句意,用所给的适当形式填空。 小题1:His father used to smoke very ____________ (heavy). 小题2:When they saw their favourite film stars, they shout with ____________ (excited). 小题3:Though the old man is in his ____________ (nine), he is still very healthy. 小题4:The house is on fire, we have to run out for ____________ (safe). 小题5:Though he was born in France, he can’t speak ____________ (France).