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Last week my friend from Spain, who was going to stay
with me for a few days, telephoned from the airport to tell me that he 7 _______ I was still at work
at the time, so, after explaining where my new flat was, I 8 _______ him that I had left
the key under the door-mat. I also advised him to go into the kitchen and help
himself to food and drink as I was likely to be home rather late. Three hours
later my friend telephoned me from the flat. At the moment, he said, he was
listening to some of my CDs after having had a wonderful meal. When I asked him
if he had reached the flat without difficulty, he answered that he 9 _______ to find the key
under the door-mat, but fortunately the kitchen window just by the apple tree
had been left open so he had climbed in. I was astonished: there is no apple
tree in front of my kitchen, but there’s one in front of my neighbours’! Of course I 10 _______  to
telephone my neighbours
immediately and explain what had happened. It was so embarrassing!

• hadn’t been able
• couldn’t
• hadn’t been allowed
• can’t