This is ________ apple. It’s ________ green apple. A. a, an B. an, a C. an, an
—China develops so fast. —That’s true. It ______ a lot already.
Funtawild Adventure is very popular and ______ tourists visit it year by year.
—Must I go through the radiation (辐射) check when I come back from Japan at the airport these days? —Yes, you ______.
—Remember to turn off the lights when you leave the room. — ________.
Don’t be afraid of new words. You can ______ in the dictionary.