This is _________orange. That's_________pen. A.a ,a B. an;a C.a;an
I _________ think it _________cold today.
——What _______ bowl of noodles would you like? ——Oh, a small bowl, please.
Could I have ________ apples? Sorry, we don’t have ________ apples.
---Can you tell me something about metal ? ---Metal making machines and many other things .
--- Do you mind telling me how to use the function? --- , It is very easy.