Professor James will give us a lecture on the Western culture, but when and where __________ yet.

— I don’t remember having ever seen John since last week. Has he gone somewhere? — Not really. He ______ his newly-bought apartment. 

---You could have asked your brother for help. He is good at math.---Yes. A whole day________ .

---If I come back in an hour, do you think the manager will see me?---I’m very sorry, but he ________ a meeting then.

My father _____ away for two months．I want to do something special for him when he comes back next week．