—When did you have your school trip?—______.
All day long, by the side of the road ______, looking at the passing cars and people.
Eating too much fat can ______ heart trouble and cause high blood pressure.
It is always those ________ forgive first ________ achieve more happiness.
—Why are you staring at me? —You look stupid! The way you wear is ______ annoys me most.
________ I can’t understand is ________ he wants to change his mind.