Read and write “T” or “F”

　　Mr. Johnson worked in an office, and he did a lot of important and difficult work. But he began to forget things and this made his work very difficult. One day he said to himself, “I'm going to see a doctor about this.”

　　Mr. Johnson hurried into Dr. Green's office, and the doctor said, “What can I do for you, Mr. Johnson?”

　　“Oh, doctor,” said Mr. Johnson, “It's terrible. I can't remember anything for long. It's about a minute. And this is making my work very difficult. What can I do? Can you help me?”

　　The doctor said, “When did this start?”

　　“When did what start?” Mr. Johnson said.

(1)Mr. Johnson began to forget things. ________

(2)Mr. Johnson could remember things for only a month. ________

(3)Because of the trouble, Mr. Johnson went to see a doctor. ________

(4)The doctor found a way to help Mr. Johnson. ________

根据答语，选择填空