1 . 正如上文所提到的,高中学生的人数在增加。(as)
___________,the number of the students in senior high school is increasing.

2 . ______ is mentioned above, crime has gone down and there is no one perfect explanation as to why.(用适当的词填空)

4 . He was educated at a local grammar school, ________ which he went to Cambridge University. (用适当的词填空)

5 . ________ is known to all, good friends ________ happiness and value to life.

A．It; add

B．As; add

C．It; add up

D．As; add to

6 . The number of smokers, _________ is reported, has dropped by 17 percent in just one year. （用适当的词填空）

7 . He may win the competition, in ________ case he is likely to get into the national team. (用适当的词填空)

8 . Last winter, part of Britain was struck by snowstorms, from ________ effects most passengers in Heathrow were suffering a lot, especially those with children.

A．which

B．what

C．whose

D．that

9 . 众所周知，青少年对待失败的态度因人而异。（vary）（汉译英）

10 . （2017新课标III卷）But Sarah, ___________has taken part in shows along with top models, wants to prove that she has brains as well as beauty. (用适当的词填空)