This is _________orange. That's_________pen. A.a ,a B. an;a C.a;an
Sam opened the door and ________ a lovely dog outside.
—________ you busy last Saturday? —Yes.I ________.
—How do you like your new job,Sam? —It’s so ________.I don’t like it at all.
She ________ want to go there alone(独自) at all last week.
Gina ________ to a party last night.