—What about _____concert?—Coco Lee’s concert? To be honest, to buy ____ticket of hers is out of the question at the moment.
The radiation amount of a mobile phone for two half-hour periods per day is equal to ________ to an X-ray for ten seconds.
. ________ he realized it was too late to return home.
It’s already 10:00, I wonder how it _______ that she was two hours late on such a short trip.
One of the greatest benefits of Internet friendships is that they are based on common interests, ________ appearance, age or popularity.
He is believed to be one of the best ________ composers. Although old, he is very much ________and he can give a ________ description of what happened.