—I’m sorry. I shouldn’t have been so rude to you. —You ________ something not very nice to me, but that’s OK.
Every minute must be made full use _______ in class.
While these activities might cause laughter ______ respect, in reality they require an enormous amount of strength.
You can imagine what great trouble we had ______ the new school.
The Chinese government has passed a new regulation forbidding supermarkets and stores to ______ free plastic bags to shoppers in order to protect the environment.
______ an important decision more on emotion than on reason, you will regret it sooner or later.