Helping others is a habit, _____ you can learn even at an early age.

The parties to the contract have equal legal status, and neither party may impose(强加) its will on _____.

 — He got his first book published. It turned out to be a bestseller.— When was __________?—__________ was in 2000 when he was still in college.

--- Can we meet at 9 o’clock tomorrow morning? ---Sorry, let’s make it _______ time.

As a journalist, Joan finds _______ worthwhile to spend time chatting with people of different backgrounds and nationalities.