--Hey, Daming! You look better.--Yes, the doctor told me to eat more _______ because it’s good for my health.
It’s very convenient ______ us to buy train tickets now because we can buy them either from the station or on the Internet.
— Alice, I can’t find my bike. — Don’t worry. I saw ______ black one under the tree. Is it yours?
--- My math teacher said I was too lazy. --- ______________. You should work harder.
--- ______________? --- I don’t have enough money to buy that nice skirt.
--- Do you think people will have ________ work to do in the future? --- I think so. And I think they will have _______ chances to travel.