Scientists have made a major ________ in the treatment of cancer.
A. barrier B. breakthrough
C. companion D. concern
The design of everyday _________such as cups and tables is based on both practical and aesthetic values.
A. issues B. regulations
C. fountains D. objects
The two pictures are similar, although not _______.
A. identical B. invisible
C. instinctive D. instant
I can’t stay out overnight without my parents’_______.
A. obedience B. privacy
C. affection D. approval
Winning this game is _______ to the team, for the result will decide whether it can defend its championship.
A. contemporary B. crucial
C. complicated D. constant
The family wrote a letter to the organization to express their _____ for help.
A. faith B. appeal
C. relief D. sight
