—Why is Thomas so lonely every day?—Because he has no communication with others.
Born into a family with three brothers,David was ________ to value the sense of sharing.
You had better ________ some time every day for sports so that you can keep yourself energetic.(2012·福建)
The present situation is very complex,so I think it will take me some time to ________ its reality.
Emergency line operators must always ________ calm and make sure that they get all the information they need to send help.
Happy birthday, Alice!So you have ________ twenty-one already!