Read the following passage, then choose the correct answer to questions.

        Many health experts believe that children and young people today are more unhealthy than they used to be. So why has this happened? One reason is bad eating habits. (21)______ of young people don’t have a healthy diet. They eat too much fast food like hamburgers and pizza and not enough fruit and vegetables. In the US, many children (22)______ fast food regularly since they were very young. In fact, almost one-third of American children aged four to nineteen have been eating fast food (23)______ all the time. (24)______, they don’t do exercise and spend too much of their time watching TV, surfing the Internet or playing computer games. So how can you change your habits if you have been following an unhealthy lifestyle for a long time? First, change your (25)______ and eat more fruit and vegetables. Next, find an activity you enjoy. Why not try something different like rock climbing, surfing or hiking? Many young people have found that fit and healthy can be a lot of fun. 21.     A. Lots        B. Very few       C. Much         D. Many

22. A. ate        B. have been eating         C. eat          D. are eating

23. A. nearly         B. most of          C. for              D. most

24. A. Moreover          B. Therefore         C. Although            D. And

25. A. recipes                B. menu               C. ingredients           D. diet

26. A. became                B. to be become         C. becoming         D. become