He is always late for class.他总是迟到. Where do you usually spend your holiday?你通常在哪度假? She often has a headache.她经常头疼. I sometimes have letters from him.我有时收到他的来信. I hardly know what to say.我简直不知道该说什么好. Have you ever seen a wild beast?你见过野兽吗? I never been there.我从没去过那里.