_____ at his knowledge, all the students showed their respect for their teacher.

I think he’s just going to deal with this problem ____day.

It’s not _______ to judge a man only by his look．You ought to know more about him．

I’m sorry，the sales manager is not________.He is on the telephone at the moment.

I’ve decided to move to the countryside, for I’ve had _____ of the noises here.