问题
选择题
The news came as no surprise to me. I _____ for some time that the factory was going to shut down. [ ]
A. had known
B. knew
C. have known
D. know
答案
答案：A
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The news came as no surprise to me. I _____ for some time that the factory was going to shut down. [ ]
A. had known
B. knew
C. have known
D. know
答案：A
缺失，可摘局部义齿修复3年后，
隙卡折断，与该隙卡折断无关的是（）