1、My mother looked worried about __ something__,but I didn't know what it was.
2、Would you like to talk to_ someone___about it?
3、There was__nothing__in her handbag.It was empty.
4、I bought a nice gift for my cousin,but I didn't want to tell__anybody__who it was for.
5、We wanted to buy some ice-cream ,but there was _nothing__left .
6、Is there__anyone___in the fitting room?No,there is __no one__in.
7、Look!__Someone__there dropped 50 yuan on the road.