A kid into the river just now(刚才).A. walked B. dropped C. crossed
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
--Are there any students in the classroom? -- Yes, there ______ students in the classroom.A.any B. some C. a