Choose the proper form. Rewrite the sentences and translate them.
Model: She said that they __ in Oxford.
a) lived b) lives c) will live
She said that lived in Oxford.

1. They warned the water __. a) can be polluted; b) could be polluted; c) can pollute.
2. They informed their efforts __ successful. a) were; b) are; c) has been
3. People were afraid water __. a) wouldn’t be cleaned; b) will not be cleaned; c) is not cleaned
4. We didn’t know the score but we were sure their team __. a) had lost; b) has lost; c) is lost
5. He was told that his sister __ to enter the college. a) was going; b) is going; c) goes