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题目内容
（信阳师范学院中学英语教学论）
( ) They found _____the latest information in their own field when the Internet discontinued.(本题1.0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
