Yang Ling is good ______English, but she __________not do well in PE.
A. in; do B. at; do C at; does
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