33. There is probably no better way for a foreigner to appreciate the richness and variety of the English language ______ by studying the various ways in which Shakespeare used it.
So serious ________ that even the best doctors failed to save his life.
Their work ______, all the experts went out for relaxation.
The growing interest in ____ history is clearly evident in ____ number of people visiting museums and country houses.
If English ______ included in the examinations, few students would choose it.
The student will be suspended from school _____ he apologizes to his desk-mate before the class.