Please tell me some answer

题目

Please tell me some answer
The new house cost Mr Smith a lot of money.(改成否定句)
The new house ___ cost Mr Smith ___money.
The man told the police,"There are several___at the bank."(rob)
"Tomorrow you will be in pieces,"the monster roared with ___(laugh)
A cat was moving ____towards the cave of the mice.(silent)

答案

didn't much
robbers
laugher
silently