为什么是It has been paid而不是 It has been paid for?

为什么是It has been paid而不是 It has been paid for? 是It has been paid还是 It has been paid for? 现在完成时后可以跟形容词么?IT HAS BEEN PAID The tall tree ______ there for many years but it has been cut down.为什么是was 而不是has been Everything has been finished ,hasnt it .后面的附加疑问句为什么是hasnt it. It's hot .The temperature___35 degrees A has been raised at B has risen to C has been risen forD has raised 答案为什么是B?raise at 为什么是has not been decided 为什么是has been dead不是has dead Go and ask the waiter how much the meal costs.Don't worry.It has been ------.A.paid B.paid for The price is fine with me.How would you like it paid? 中it paid怎么解释,是一种什么用法呢?it 在句子中的是什么用法？为什么是it paid而不是it pays 或者 it is paid? --- Go and ask the waiter how much _____.--- Don't worry.It has been ____.选项为 A.does the meal cost,paid for B.the meal costs,paidC.the meal spends,paid D.the meal costs,paid for我也知道此题考察宾语从句以及pay 和 pay for 的用法 –I’ve been told to pay the rent .–But it has already been paid .It __________ by some else . How long has the shop been open为什么是been open 而不是been opened —Go and ask the waiter how much_______.—Don't worry.It has been _______.A.does the meal cost ,paid for B.the meal costs,paid C.the meal spends ,paidD.the meal costs,paid for为什么要选B ,为什么这里用paid ,而不用paid for?D为什么不 A_fool has gained nothing from the time,for he_nothing.A:passing;has paid B:passed;has been paid C:passing;has been paid D:passed;has paid 应选哪个? now he has ()there for two weeks.填been还是gone?为什么是been it has been since.用法 It has been in my