谁能给我出几道宾语从句和定语从句的难题做做

1.Later in this chapter cases will be introduced to readers____consumer complaists have resulted in changes in the law.
A where B when C which Dwho
2.Because of the financial crisis,days are gone____local 5-star hotels charged 60000 yuan for one night.
A if Bwhen Cwhich Dsince
3. the day will sonn come 什么 man will set foot on Mars
a which b when c why d where
4.Is this factory ______ you visited last Sunday?
A. the one B.which C.that D.where

C)1.Mary smiled ____her mother did when she was Mary's age
Awhat
Bas if
Cthe way
Dthat

B)2.I went back to my hometown,____the neighbours and house____I was familiar with were gone.
Aonly finding;which
Bonly to find;that
Cto find;whom
Dfound;that

B)3.Mary said that the work would be well done by the end of October,____personally I wondered completely
Awhich
Bat which
Cin which
Dfor which

4.In