―Yeah,_______.

31. ―You mean I have to go there by myself for you are not free.

  A. hit, did　　B. hit, was　　C. hurt, did　　D. hurt, was

－No.

－________ anyone hurt?

30.－Her school caught fire because lighting ______ it.

　A. until         B. because        C. if        D. before

29. I didn’t buy the dictionary yesterday ______ my aunt would give me one.

　A. from, fewer      B. from, smaller     C. of, fewer       D. of, smaller

28. Many people kill tigers to make medicine ______ their bones, so the number of the tigers is getting ________.