What ______ public is concerned about is whether medical workers and scientists will be able to find _____ cure for this new disease in a short time .
| A．不填；a | B．不填；the | C．the ; 不填 | D．the ; a |
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What ______ public is concerned about is whether medical workers and scientists will be able to find _____ cure for this new disease in a short time .
| A．不填；a | B．不填；the | C．the ; 不填 | D．the ; a |
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