完形填空
Mr. North looks worried this week. He always 1 good habit. He gets up early in the 2 and does some exercises before breakfast. He thought himself 3 and didn’t often go to see a doctor. But last Friday morning, when he was walking near the garden. He suddenly fell to the __4__. There was nobody around him and a few minutes later he came back to 5 . He stood up and went back slowly. He thinks something is wrong with his 6 and sometimes it beats fast, sometimes slow now. He can’t fall 7 in the evening. And he often feels 8 when he’s at work.
