Task 2. Fill in can / could / couldn’t / be able to in the correct from. (5 marks)

1. It was dark in the room. I … see nothing.

2. I ….. swim very far these days but ten years ago I … swim from one side of the lake to the other.

3. We …. smell the dinner cooking in the next room.

4. Mother caught a taxi because she had a terrible backache, and she … walk.

5. You ….. to see him tomorrow at the library.

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