Хотелось бы, чтобы сами. дополните предложения: 1) if people protected environment, _ 2) if we tried to walk instead of driving cars,

1) would all be much healthier 2) wouldn't polute the air as much

1. does he translate a lot of letters into english?     he translates a  lot of english letters, doesn't he?     what does he translate into english? 2. can she play the guitar very well?       she can play the guitar very well, can't she?     who can play the guitar very well? 3. did they go to the cinema with their friends?       they went to the cinema with their friends, didn't they?     who did they go to the cinema with? 4. did he do his homework?       he didn"t do his homework, did he?     who didn't do the homework? 5. am i late?     i am late, am i not?     who is late? 6. are trains more reliable than buses?       trains are more reliable then buses, aren't they?     what is more reliable than buses? 7. was there an old bridge here?       there was an old bridge here, wasn't there?     what was there? 8. is it raining now?       it is raining now, isn't it?     what is going on now?