"The key to__________the medical problems is health care reform," said the minister.
2023-08-04
A.solve
B.solving
C.being solved
D.be solved
参考答案:B
B.solving
C.being solved
D.be solved
参考答案:B
考查同定用法及动词语态。the key to doing sth.表示“做某事的关键”,句中to是介词,后面加动词的ing形式。句意为“部长说:‘解决医疗问题的关键是医疗改革”’。句子表达的“解决医疗问题”,是主动意义,故选B。
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