The 28th of September. - Так пишется дата на доске, в тетради.
1. What does nuclear radiation come from?
2. What does this factory pollute the water with?
3. What does it poison the soil with?
4. What does he grow crops with ?
5. What does she ruin national beauty by ?
----------
b)
1. What should scientists study ?
2. What should scientists investigate ?
3. What should people clean ?
4. What water should people drink ?
5. What should the factories produce ?
Frogs can croak. Лягушки умеют квакать.
Frogs can catch insects. Лягушки могут ловить насекомых.