When Ben was 13 years old, he (go/ goes/ went) to bed late at night and he often slept in class, so his teachers (are/ was/ were) angry with him. He loved (to eat/ ate/ eats) hamburgers for lunch. After lunch, he ate lots of sweets. He seldom took exercise. Later, he was sick and stayed in the hospital (for/ in/ on) a month. The doctor asked him to (kept/ keep/ keeping) a good diet and take more exercise.
Ben has changed a lot. Now he keeps a good diet. He (eat/ eats/ ate) plenty of vegetables every day. He gets up early on (weekdays/ week/ weekend). Before going to school in the morning, he usually runs for 30 (minute/ minutes/ a minute). (For/ At/ To) the weekend, he often plays basketball with his friends. He wants to be a basketball player when he grows up.