d to ________ happiness with freedom, but, as a psychotherapist and writer has observed, without obstacles to our desires it’s harder to know what we want, or where we’re heading.

Mr. Green will arrive here and give us a speech ___________ the morning of December 22nd.

When it comes to job interview, you really don’t know ______ you performed until you get the good-news call．

Do you know ________ – Oh, I know he was born in 1929.

How does Jack usually go to school — He _____ ride a bike, but now he ______there to lose weight.