Question

What _______ public is concerned about is whether medical workers and scientists will be able to find _______ cure for this new disease after the vaccine is tried on _______ volunteers.

A. 不填; 不填; 不填　 B. the; the; 不填　　　 C. the;不填; the　　　 D. the; a; the

 

Answer 1

D

 

the public意为“公众、民众”；第二空是泛指“一种”；第三空是特指，就限定在这些volunteers，所以用定冠词。