My friend ----------------- the highest grade possible when he graduated high school

Medical scientists still haven’t ----------------  cancer, although progress has been made in treating it.

--------------------, there have always been close links between the United States and Australia.

My teenage brother doesn’t seem to care about his personal -----------------, —he only showers about once a week.

She’s in her final year of --------  school— next year she’ll be a doctor.

The ---------------  for families in some countries is to have only one or two children

Having someone --------------- your sore back after a day playing sports or lifting heavy things is great!

It’s pretty ---------------------, to avoid getting the flu, you just need to wash your hands often.

I  ----------- a lot when I exercise. I always need a new T-shirt after a workout.

Some medical problems are not easily ----------------  if you don’t discover them early.