----Where is my watch? I _______ find it. ----Don’t worry. It must be somewhere in your room.
Do you know if ______ back next week? If he _______ back, please let me know.
Now telephones are very popular and they are much ______ than before.
_______ it got dark, they worked hard there.
Listen up, everyone! I have ______ to tell you.
It’s ________ to leave a child alone.