I’m afraid I’m not _____ to help with the show, for I am fully occupied with my own project.
It’s difficult to ___ these old books for some of them ______ none of the classification.
Many kinds of animals and plants die _________ every year.
We should do something to _______ the plant ______ the cold weather.
I’d appreciate _______ if you would teach me how to use the computer.
John thinks it would be long ________ he is ready for his new job.