Why not go a____ to contine your studies?

英语单选:1._Having been separated _from other contine
英语单选:
1._Having been separated _from other continents for millions of year,Australia has many plants and animals not found in any other country in the world.
横线处为什么不用Being separated?
2.The most common control device is the electric switch,the object ___is to turn an electric current on or off by completing or breaking its circuit.
A.of which.B .with which.C.to that
选哪个?

______ we don't agree,We contine to be friends.
A.Because B.Since C.While D.So

英语翻译
1填空:
布兰迪经常旅游.
Brandy travels___ ___.
2.连词成句,标点符号已给出.
continent's,me,a,the,rivers,lot,main,interest
3用适当的介词填空.
The hour hand points____twelve.It's time for lunch.
This factory is_____twenty square kilometres.
4根据汉语提示完成下列句子没空一词.
When did you ___ ___ ___(回家)last night?
I don't know___ ___ ___(他说的什么)just now.
___ ___ ___(你``````好吗)close the windows?

the united states covers a large part of the north___continent,when this land first became a nation.after___its *** from england,it has 13 states.each of the states had a star on the american flag.as the nation___,new states were formed and there___new stars on the flag.___a long time,there were forty-eightstates.in 1959 two___stars were added to the flag,standing for the new states of alaska and hawaii.
___were the first people of the land and great number of people came from england.it is___that reason that the language of the us.is english and___its culture and customs are more___those of england than any other country in the world
( )1.a.america b.america's c.american d.americans
( )2.a.win b.won c.winning d.have won
( )3.a.grew bgrows c.growing dhave grown
( )4.a.are b.were c.have been d.had been
( )5.a.in b.from c.for d.through
( )6.a.another b.many c.other d.more
( )7.a.india b.indian c.indias d.indians
( )8.a.on b.for c.because d.because of
( )9.a.that b.why c.many d.all
( )10.a.as b.like c.same d.as if