FILL IN FOR/ SINCE: 1- They've worked five or six hours. 2- Nobody has come 3- She has been a doctor 4- Nobody has seen her we bought this small house. 1998 he was a child. 5- They have been ill 6- I have tried to finish this letter the last week. the last half an hour. then. 7- He bought the car in 1999 and he has driven it 8- Pete went to the library. He has studied there. 9- It has been very foggy_early morning. 10- I've lived with you _nine years. a long time.

Ответ:

1а

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