1.Yao Ming was reading a newspaper_____ i met him.

1.Yao Ming was reading a newspaper_____ i met him.
A the firsttime when
B the first time
C the first time where
D when the first time
2.Martin hated_____ when his mother snet him to a boarding school.
A it
B her
c this
D that
3.What _____ things can you see in this picture?
a else
b another
c other
d others
4.--How much should I pay for a roundtrip ticket,sir?
--_____80dollars,please.
a Every
b Another
C Together
d All
5.I find _____ necessary to tell him about it.
a myself
b that
c this
d it
6.It is not an easy task to choose a mobile phone,for technology______ rapidly.
a is changing
b has changed
c changed
d will changed
7.The teacher should teach uc _____our lives_____ hard work ,not dreams.
a to build ,on
b building ,on
c to build ,in
d build ,in
8.li lei prefers maths to chinese,but I think Chinese is much______.
a useful
b very useful
c the most useful
d more useful
请各路高手告诉我应选那个正确答案（其实答案我知道,我是想知道选哪个,为什么选那个,就是想知道理论,）
水灵_勤勤
我练习上第1和第3题答案为什么是B和C啊？
别人知道的可以说下