1) My 78-year-old father ____ even turn on a computer until about two years ago. a) couldn’t b) wasn’t able to c) both possible  2) All that changed when he decided that he wanted to _____ use the internet and he did a course at his local Adult Education Centre. a) can b) be able to c) both possible  3) Although he really enjoyed the course, he _______ put what he learnt in his classes into practice because he didn't have a computer. a) couldn’t b) wasn’t able to c) both possible  4) Now, he ____ use the internet really well and send emails. a) ’s able to b) can c) both possible 5) What he loves most is ____ speak to and see his grandchildren on Skype at least once a week. We live in Australia, but he lives in the UK. a) can b) being able to c) both possible 6) If he didn't have a computer, he _____ keep in touch with us so much. a) couldn’t b) wouldn’t be able to c) both possible 

4B, a grammar Intermediate

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