---- _____ do you play football? ----  Once a week.

—Can you imagine ____________the Taiwan HEDP(塑化剂) event will affect our life?—I’m not sure. Many people have begun to have water instead of drinks.

______ can cause high blood pressure and hearing problems.

——      do you eat vegetables?——Every day.

---____ do you study for a math test? ---I study math ____ lots of exercises.