1 . Elon Musk has founded many high-tech companies, almost half of ________are expected to direct tomorrow’s world. (用适当的词填空)

2 . We made a survey among the students, 78% of ________ voted Lee their monitor. (用适当的词填空)

3 . My father gave me some extra money, with ________ I bought some books. (用适当的词填空)

4 . My favorite writer is J.K Rowling, most of ________ books have been adapted for films. （用适当的词填空）

5 . These terraces were built by the local Zhuang and Yao people, to ________ Guangxi is home. （用适当的词填空）

6 . Luckily, we'd brought a road map, ________ which we would have lost our way.（用适当的词填空）

7 . I have three good friends in Shanghai, none of ________ I have contacted in the past year. (用适当的词填空)

8 . You won’t apologize to me, in __________ case, I have no more to say.

9 . He lives in a house, in front of _____stands a tall tree.