2 Complete the sentences with the correct adjective below. dense • enormous uncertain • dreadful • coal-black • higher . 1 The sky was ; there was no moonlight and there were no stars. 2 The fog meant that we could only see a short distance in front of us. 3 They moved to ground to see the moor better. 4 I saw something run by, but I'm exactly what it was. 5 That dog is ; I have never seen one so big. sound that 6 The wind made a(n) frightened us.