Physics （ ）my favorite subject when I studied in the university．

（ ） you do, you should put your heart into it.

The tall tree, （ ） leaves are darker than those of the other two, is as old as grandpa.

When I got my first job, I _____ early. But nowadays I usually stay in bed until late morning.

You needn’t introduce him to me. I’ve met him on several _____.

I decide to leave the company next month, where I _____ for exactly three years.

I appreciate （ ） the opportunity to study abroad two years ago.

—Are you （ ）? —No, I’m serious.

The young man still denies _____ the fire behind the store.

After （ ） the numbers in every possible combination, we finally hit on a solution.

Dinner will be ready _____. Let’s go and wash our hands.

—Where is the new camera I borrowed last week? —It is on the top shelf, out of the （ ） of our little kid.