I'm _____than you.A.thinner B. thiner C. thin
This is not my bag. 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 . A .a B. the C. \
--Hello, is that Liu Tao? --Yes, ______. A .I am B. it is C. speaking
--Are there any students in the classroom?-- Yes, there is ______ students in the classroom. A .any B. some C. a