I think it’s impossible for _______ people to do _______work in ________a short time.
—The party is a great success. We've had a good time. —______!
3D printers are still _____ expensive for most of us ______ afford.
The songs of the rock band sound ________.
Everyone passed the exam ________him. So he was sad.
I find ________ difficult to remember everything, though I’m still young.