As we all know, it is ____responsibility as well as ___honor for a country to be chosen to host the Olympic Games.
The computer was used in teaching. As a result, not only _____, but students became more interested in the lessons.
Teachers have to constantly update their knowledge in order to maintain their professional(专业的)_______.
Everything comes with _____ price; there is no such _____ thing as a free lunch in the world.
The most important thing_______we should pay attention to is the thing_______I have said.
We are invited to a party ________in our club next Friday.