The elderly need special care in winter, as they are _____ to the sudden changes of weather.
Lin Feng is said ____ abroad, but I don’t know which country he studied in.
This is really an exciting match. _______ the game?
—It was careless of you to have left your clothes all over.— My God, ______.
The number of people who ____English as a foreign language __more than 750 million.
He is really considering ___himself to ___these children of the poor mountain village.