A good person is honest and kind to others. In other words, he never______ his friends.
In our childhood, we were often ____ by Grandma to pay attention to our table manners.
After he retired from office, Rogers _____ painting for a while, but soon lost interest.
The telephone rang at midnight, but it stopped ______ I could answer it.
The radiation amount of a mobile phone for two half-hour periods per day is equal to ___ to an X-ray for ten seconds.
If only he _____ to send that letter to my grandpa, my grandpa will come to help me. Look, I’m so helpless now.