At times, worrying is a normal, ________ response to a difficult event or situation – a loved one being injured in an accident, for example.

 In that school, English is compulsory for all students, but French and Russian are ______.

—Why are you smiling at me?— You look ______ in that hat.

I was very______ for him because he helped me out of trouble.

---Do you believe his words?----No, what he said was________.