1:The wounded soldiers needed to be o p erated______ at once

1:The wounded soldiers needed to be o p erated______ at once .
A:at B:of C:in D:on
2:Norman Bethune_______for over 70 years.
A:has died B:died C:has been dead D:was died
3:What did you________the film?
A:think for B:think of C:think over D:think out
4:China is a______country while America is a_______country.
A:develop ing;developing B:developed;developing C:developing;developed D:developed;developed
连词成句：
Bethune,over,will,world,greatly,be,by,the,missed,people,all,the
_________________________________________________________________.
best,Helen,her,did,to,other,help,people
_______________________________________.
by,how,will,it,us,long,to,get,take,bus,there
__________________________________________.