вставь something, anything and nothing
1. today i have done _ useful for mum, and she liked it.
2. have you ever heard _ like this?
3. i'd like to explain _ to you.
4. there's _ i can say on this topic. i've forgotten all.
5. i am sorry to say but there isn't _ at all that i can.
6. there is _ better than having a cup of hot tea in a cold winter day.
