He finally found the ....... link. The Germans had been able to shoot down most of the English's planes when they went*^*to bomb the Germans. Some in the English bomber command thought that there was an intelligence leak who was*^*responsible but that was not the case. It turned out that the Germans set up a radar station that could detect the*^*incoming planes.
A.forging
B.missing
C.elusive
D.foggy
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