Read the text. Choose the right words and write them on the lines.

　　Example:

　　In the doctor's waiting room, sick men and women were sitting on their chairs. Bob, a schoolboy, was among them. They all looked sad but Bob didn't. (1)________ the time waiting, he was (2)________ an interesting story book. Just then the doctor came in to (3)________ he was ready for the next person. Bob jumped up and (4)________ into the doctor's room.

　　“What's your trouble?" said the doctor. (5)________ Bob could say a word, the doctor made him (6)________ down on a bed, “Now let me listen to your heart.” Bob tried to speak, the doctor (7)________ him not to say anything. “I'll take your temperature.”

　　Bob tried to sit up, (8)________ the doctor stopped him. After a moment, the doctor said, “Well, boy, you don't have a fever. There's (9)________ wrong with you.”

　　“I know there isn't.” said Bob. “I just came here to fetch (10)________ medicine for my father.”

Example：sit sitting sat