It has been revealed that nearly one in five degree courses has been （） since the tripling of tuition fees to ￡9,000 a year.

单项选择题The number of stay-at-home fathers reached a record high last year, new figures show, as families saw a(n) （）in female breadwinners.

A. raise
B. rise
C. arise
D. increase

单项选择题Prince Charles, the longest-waiting （） to the throne in British history, has spoken of his impatience to get things done.

A.heir
B.heirship
C.heritage
D.heiress