It is difficult for any of us to eat better, exercise more, and sleep enough, ______ we know we should.
The bus kept the people ______for twenty minutes.
I believe the scientists will______a better way to heal the disease.
----Why do you often ______this pink blouse? ----Because it fits me well.
Jack always runs faster than Peter, but this time he ______him.
The Internet ______it easy to get much new information in a short time.