选择正确的一项，补全单词。
__ fter
A. o
B. e
C. a
Can you see the monkeys? _______
A. Yes, I do B. Yes, I am C. No, I can’t
What do you see? I _______ two elephants
A. see B. seeing C. am seeing
When is your birthday ?It’s ______.
A. June 9 B. June the 9 C.June 9th .
Joan is ______the phone .
A. answering B .answer C. are answering
What _____ you doing ?
A. are B.am C .is