Every man has his faults. We should, therefore, learn to be ______ of others.
Some of you may have finished unit one. _____ , you can go on to unit two.
The government plans to bring in new laws _____ parents to take more responsibility for the education of their children.
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
Frank put the mediocre in the top drawer to make sure it would not be_______ to the kids.
---Do you want a lift home? ---It’s very kind of you, but I have a much late in the office. I overslept this morning because my morning clock _______.