It’s sometimes too difficult to understand the voices of American film.
—Mum, my teacher, Mr. Wang. — Nice to meet you, Mr. Wang.
—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.