Jenny's mother was nearly seventy. Jenny and her husband wanted to give the old lady a nice birthday ___ 1 ___. She liked ___ 2 ___ tea, so Jenny bought an electric (电) machine. It could make the tea and then wake you up (叫醒) in the ___ 3 ___ . She put it in a box and brought it to her mother on her birthday. Then her mother opened the box. Jenny showed her how ___ 4 ___ it. “ ___ 5 ___ you go to bed, put the tea in the pot and the water in the kettle,” she said to the old lady,“and don't forget ___ 4 ___ the electric on. Then, when you wake up in the morning, your tea ___ 7 ___ ready.”
After a few___8___, Jenny's mother ___9___ up and said, “Perhaps I'm rather silly (相当笨), but there's one thing I don't understand, why do I ___10___ go to bed to make tea?”