—What’s that?—It’s ______ orange. ______ orange is yellow.
Thailand is ______ Asian country and London is ______ European city. A. an, an B. an, a C. a, an
---Tomorrow will be fine. Shall we go out for a picnic?--- _______.
---Why do you eat vegetables every day, Mum? --- _____ healthy, my dear!
--- How do you like The Voice of China?--- ____ amazing program it is! Many people like to watch it.
--- Sam, can you tell me ______?--- Try Music World on Huanghai Road.