单选题 He _____ interrupted the speaker by asking irrelevant questions.

单选题 After hearing her story, I felt ____ puzzled.

单选题 You may rely on ____ everything will be ready by Friday.

单选题 _____, glasses can correct most sight defects in healthy eyes.

单选题 These are plans for the nuclear power stations _____ in these regions.

单选题 The mad man was put in the soft- padded cell lest he _____ himself.

单选题 The unusually cold weather this winter gives birth to a larger _____ of heaters.

单选题 I am _____ to believe that she won't come back to see her husband again.