Odpowiedź:
1 If you're too tired to walk round the site, I think you ought to stay at the hotel.
2 The secretary can type very quickly. She's very experienced.
3 You don't have a choice. You must back up your work everyday.
4 I'm not sure but the manager might have gone home early yesterday.
5 You needn't have tidied my desk I would have tidied it.
6 Michael could walk to work every day when he lived in the city centre.
7 Instead of working late last night, you should have gone to the office earlier today
8 Most members of staff are able to use this computer program.
Wyjaśnienie: