These are the correct answer:-
1- Jamal didn't come into work last week. He must have been ill.
2- Joel did the opposite of what we discussed. He couldn't have understood our conversation.
3- Tim must have passed his driving test. He's bought a new car.
4- I found Angela´s ID card under my desk. She must have dropped it.
5- Isabel looks absolutely terrible. She mustn't have gone outside last night.
6- The plane can't have arrived on time. There was a strike at the airport.
7- Where 's Clare? Her bag's here and her computer's still on so she must have gone home.
8- Sorry, I don't know if she's here or not. She was feeling ill so she has gone home.
9- She had been cleaning the whole house on her own in two hours. She must have had some help.
10- Oh, great! His car's here. He must have come home earlier than planned.
Hope it helps you...
Answered by Benjemin ☺️
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