Tom ____ the CD player for two weeks.
This year the company has produced as many cars as the year before last, but the total profits are four-fifths ______ they were then.
When my parents were young, they had to ______ several miles every day to school since they had no money to buy a bike.
Knowing office rules, whether ______ or not, is always of great importance, especially for young job seekers.
I really can’t ______ with the noise that is going on outside. It is driving me crazy.
—I hear that you have won the lottery. —Not once in my life ______ until now.