. that they had made an important discovery in science.
A. Littletheyrealized
B. Theyhadrealizedlittle
C. Littledidtheyrealize
D. Littlehadtheyrealized
网友回答
A. Littletheyrealized
B. Theyhadrealizedlittle
(答案→)C. Littledidtheyrealize
D. Littlehadtheyrealized
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