---"Would you like to give me a hand?--- Sure, .
— Why didn’t you enjoy the talk? --It was ____ talk I had ever listened to.
The actress is already 50, but she looks ______ than she really is.
The old man left an estate( 遗产) of ______ when he died.
It’s ______ usual trip, but it’s ______ unusual experience.
Granny seems ill. Are you sure it’s _______? A. nothing serious B. anything serious C. serious nothing