— What do you think of this math problem?—It’s too easy. _____ in our class can work it out.
—John, what’s this _______ English? — It’s a computer.
This is ___ map and that is ____ orange.
---Would you like some bread? ---________. I am full.
---How is the vegetable salad ? ---________. Nobody likes it.
I love fish very much, and I try to eat ________ once a week.