1、What are you doing,Tony?---I'm__answering__(answer) the phone.-----Who are you _talking__(talk) to?---Sam
2、Let's _wait___ for the doctor outside the _waiting___ room.(wait)
3、 选B
My mother is ____ cakes.She often ____ cakes for us.
A、make,making B、making,makes C、do,doing D、doing,does
4、选C
Jane,hurry up!It's time to leave.
-----OK,______.
A、I come B、I've come C、I'm coming D、come