1 . There are more than 4,000 students in our school, the majority of   ________ put their hearts into their studies. (用适当的词填空)

2 . 以往，漓江的水质因游客量的增长遭到了严重破坏，很多游客经常将垃圾扔入江中。
Previously, water quality in the Li River suffered greatly from an increasing volume of tourists, ______________.

5 . I was told that there were about 50 foreign students         Chinese in the school, most        were from Germany.

A．studying; of whom	B．study; of whom
C．studying; of them	D．study; of them

6 . Seven people were caught in the big fire that broke out on Friday, ________were badly injured at the scene. (介词+whom)
七人被困在星期五发生的大火里，其中四人当场受了重伤。

8 . In their class there are altogether 54 students, half of ________ wear glasses. （用适当的词填空）

10 . We shouldn’t spend our money testing so many people, most of __________ are healthy.