—What a hot day! —The weather report says it will be even tomorrow.
_______ the mouse, you can choose an icon _______ for more details.
----Look at the boy running on the playground. Is it David? ---- It ______ be him. I saw him go to the teachers’ office just now.
---With 4G mobile phones, people can even see each other as they talk. ----Really? Would you show me it, please?
--______ to Hong Kong?-- Yes, and I will be back next month.
They were _______ busy ______ the project ______ the time.