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题目内容
（辽宁师范大学-英语口语(二)）
(单选题) They found _____the latest information in their own field when the Internet discontinued.(本题3.5分)
A、 difficult to obtain
B、 it difficult to obtain
C、 that difficult obtaining
D、 it difficult to be obtained
A、 difficult to obtain
B、 it difficult to obtain
C、 that difficult obtaining
D、 it difficult to be obtained
参考答案