Употребите местоимения something / somebody / anything / anybody / nothing / nobody там, где необходимо
1) I was too surprised to say ... .
2) Quick! Let*s go. There is ... coming and I don*t want ... to see us.
3) The situation is uncertain. ... could happen.
4) The accident looked serious but fortunately ... was injured.
5) "What did you buy?" " ... . I couldn*t buy ... I wanted."