He set off __________ the direction of the river.
Tom’s score on the test is the highest in the class. He _____.
I’m afraid I’m not ________ to help with the talent show, for I am fully occupied with my own project.
--- Do you think it is hot today? ---_______ , but not as hot as yesterday.
If you like art and enjoy looking at the pictures, ________ is an interest.
The poor child stood there, and ________ what to do, turned to his father for help.