当别人向你说Here you are 时，你应该说
A、Ok. B、Thank you.
—What’s the capital（首都）of the UK?
A. London B. New York C. Paris
This is not my purse.is over there.
A. My B. Mine C. I
I have two storybooks, but Helen ______ four.
A.has B. have C. had
David is playing ______ basketball in the playground.
A.a B. the C. \
--Hello, is that Liu Tao? --Yes, ______.
A.I am B. it is C. speaking