79. Such a grammar mistake is ______ among the beginners of English study.
——Will you require anything else? ——Yes, I like a whisky.
What worried the child most was ______ to visit his brother n hospital.
Free medical treatment in this country covers sickness of mind as well as ________ sickness.
Mrs Read went to the market and bought several ______ eggs.
Catherine came home happily, which suggested that she the final exam.