【正文】
made up of the best basketball players in the States, _______ Black Americans. B. ③ The Chicago Bulls used to be made up of the best basketball players in the States, and_______ are Black Americans. A. most of whom B. most of them C. most of which D. most of it 18. C. ① — Why did he say so? — Sorry, I don’t understand _______ he said. B. ② — Why did he say so? — Sorry, I don’t understand _______ he said means A. all what B. what all C. all that D. that all 19. C. ① Computers must be of great use to ________ do the scientific research. A. ② Computers must be of great use to ________ doing the scientific research. A. those B. who C. those who D. whomever 20. B. ① You can use a larger plastic battle, _______ is cut off, as a pot to grow flowers in. D. ② You can use a larger plastic battle, _______ cut off, as a pot to grow flowers in. A. the top B. whose top C. whose the top D. with its top