Teenagers are supposed to ________ their seats to the old on bus.
Cindy’s father, Tian Liang ___ as a policeman in the TV show “Daddy, where are we going?”.
My grandma started using Weibo at the age of 70. She always says it’s never ____ old to start doing things.
David lives a very simple life ____ he has a lot of money.
——Can you think of a better idea to solve the math problem, Lisa? —— _____.
——Could my English be as good as yours , Judy? ——I think you should practice it as _____as you can.