It is difficult for any of us to eat better, exercise more, and sleep enough, ________we knowwe should.
The woman sold the eggs _____ seven dollars and they were sold ____ half price.
-----What do you think of the materials _____ these clothes were made? ----- They feel _____.
Through the reform, the economic situation of China ____ much better than it used to.
No one noticed him _____ in.
-----What are you afraid ______? -----I’m afraid ______ dogs.