1)More difficult
2)The brightest
3)Easier
4)The funniest
5)The best
6) More interesting
Возможно:
wanted
didn't have
decided
arrived
got off
were waiting
Taught,dreamed,got,leaved,conducted,remained,flew,song,said,become
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 ?
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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 ?