Mark the letter A B C or D, to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions

Exercise 5. Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meanin the underlined word(s) in each of the following questions. 

46. Students also have the opportunity to choose from a wide range of optional courses in the university. 

A. mandatory ​B. selective​C. free​D. limited

47. Tom did miserably on the final test, which caused a shock to everyone in the class. 

A. took ​B. sat for ​C. failed​D. passed 

48. Schools are more relaxed nowadays as discipline is less tough than before. 

A. accurate ​B. severe​C. strict​D. loose 

49. Well, Mrs Baker, you'll be pleased to hear that George has made a dramatic improvement in geography.

A. meaningful ​B. important ​C. insignificant ​D. steady 

50. Most of the students in our country are interested in pursuing higher education to get bachelor's degrees. 

A. following ​B. giving up ​C. trying​D. interrupting