30．Are you certain that this is in his speech?
A. as Premier Wen stressed
B. how Premier Wen stressed
C. that Premier Wen has stressed
D. what Premier Wen has stressed
网友回答
A. as Premier Wen stressed
B. how Premier Wen stressed
C. that Premier Wen has stressed
(答案→)D. what Premier Wen has stressed
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