翻译 我们班的男生都爱打篮球. ____ ____ in our class ____ playing basketba

翻译 我们班的男生都爱打篮球. ____ ____ in our class ____ playing basketball. 还有几道!
My father is working ______ the computer.He is writing something.
A. in B. on C. by D. over
Money is very important,but money is not ____(全部）.
There will be fewer factories,_____?
A. won't there B. will there C. isn't there D. are there
请说明原因,好的话追加5分!