This is _________orange. That's_________pen. A.a ,a B. an;a C.a;an
______ he tried many times, he still didn't move the heavy box.
What do you think “anxious” ______?
--What is your father like ? --_____________________.
If I felt some pain, I would stop _________.
--Does the bike belong to_________? ---No, it is ___________.