Dad, please tell me when Mum_____. I miss her very much.——She will return when she_____her task. And she will bring a nice present for you.

He ________ his homework ________ the weekend. [ ]

Where is Mr. Zhang? –He _________ for two days. Can I give him a message?

About _____ of the world population is Chinese.

He told me that he ______ never ______ such a good film before.