Working with the medical team in Africa has_________the best in her as a doctor.

Sandy, __________apple on the table is for you. Remember to eat it.—Thanks. I will. _________apple a day keeps the doctor away.

I don’t know ___________or not.—Neither do I. You may ask his teacher.

I acquired ______ Van Gogh from a businessman from Paris the other day.—Really Are you sure it’s ______ real one

When you don’t know a word, you can in dictionary.