Although he is very young, he is much more experienced than others __ working ability.
-----What are you going to be when you grow up ? -----I want to _______.
Would you be ______ to turn down the gas fire a little?
The professor gave orders that the test _______ before 10:30.
I think ______ at the train station will surprise Aunt Kate.
It was until last year that he ______.