－It’s reported that there’s big breakthrough in the cancer treatment.
－If only my son could be brought back to life!
A. a; /
B. /; a
C. the; the
D. a; the
网友回答
(答案→)A. a; /
B. /; a
C. the; the
D. a; the
解析：考查冠词的用法。第一空是泛指一项重大突破，所以用a big breakthrough，第二空为固定短语：使恢复生命，恢复生机，bring sth back to life，所以 选A。