1 . The science of medicine, in_______ progress has been very rapid, is perhaps the most important of all the science.

2 . I have forty books, most of ____________are about Chinese history and literature. (用适当的词填空)

3 . Nowadays, it is common to see people staring at their mobile phones instead of reading a real book, ________ many experts are worried. (适当的词填空)

4 . Those are the books ________ we are talking just now. (用适当的词填空)

5 . I have made many friends up till now, some of ________ are intelligent and hardworking. (用适当的词填空)

6 . He gave his daughter some money, ________ which she could buy an English-Chinese dictionary. (用适当的词填空)

7 . He works in a factory, at the back ________ there is a river. (用适当的词填空)

8 . In our class all the fifty students, only one ________ didn’t pass the exam, had taken part in the final exam.(用适当的词填空)

9 . Monrovia is filled with hundreds of thousands of refugees (难民), many of ________are hungry and homeless. (用适当的词填空)

10 . I was given three books on cooking, the first _______I really enjoyed. (用适当的词填空)