【正文】
e e o o d s a u g f s n e t o t o u r e v e i g h e n i x i e i n w n e h r e 3. Complete the sentences with a/an. A That’s ____ ruler. It’s ____ desk. This is _____ ruler. Is that ____ car? Is this _____ bus? It is ____ nice map. a a a a a a B — What’s that? — That is ____