The way ______ was thought of by him ______ the experiment was similar to the way _____ you carried it out.
After days of discussion, his plan to be the best one.
Knowledge through children’s own practice is lasting and will benefit them all their lives.
Students in the school get along well with each other though they come from different social and cultural.
Some people think it is waste of time to surf the Internet, while others have great appreciation of it.
——May I help you? You seem to be having some problems. —— , thanks. I think I can manage.