Tom, your hair is too long. Would you please get your hair _______.
I think you should tell your partner how ______ popcorn.
---May I have ______ piece of bread with butter? I’m not full.---Certainly. Here you are.
---______will you be back to the office?---In half an hour.
It’s impossible for us ______ robots like humans now.
There ______ a concert in the gym sometime next week.