1.-Do you often have someone ( )your clothes?-Yes,I often have them ( ).

1.-Do you often have someone ( )your clothes?-Yes,I often have them ( ).
A.wash ; to wash B.to wash; washed C.washed;wash D.wash ; washed
(为什么选D?）
2.She finished her letter,and read it through ( ).
A satisfaction B.with satisfaction C.satisfied D.satisfying
(为什么选B 为什么不选A?）
3.The problem _______ at tomorrow’s meeting is a very difficult one.
A、being discussed
B、discussed
C、to be discussed
D、to discuss
（我们学过：“不等式作定语或与被修饰词是主谓、动宾、同位等逻辑关系时,多用主动形式”,那为什么这道题选C ,而不选D呢?）