Just like fingerprints, each person’s DNA is ______ unless he has a twin.
My brother sent me an email with one of his photos on Mount Tai ________ to it.
A worldshocking shooting rocked a school in the US, ________ twenty children and eight adults dead.
.(2013·江西重点中学一模)________ too much for his intelligence, Harry often overlooks the importance of effort.
—________ so many countries, you must be able to speak several different languages.—I wish I could, but English is the only one I can speak.
The quarrel ________ to the fight started from their disbelief in each other.