The nationwide smog serves as a constant reminder, indicating that it’s high time we ______ on ourselves.
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.
We __________out by that time that he_________ a thief for a longtime.