He was __________ at the __________ waste of food in the school.
Many people spoke highly of the plan at the meeting, but _______ I don’t think it is of much practical use.
After a month of training, he became __________ to the work as a high-speed train driver.
While there are some differences in the education systems in many countries in the world, education is __________.
We should know that we can only reach the top if we are ready to _________ and learn from failure.
In order to improve your English, you’d better ____________ the important points in your notebook in class.