$1.$ The students who study seriously and methodically will surely be successful in the exams.
$2.$ Mary, whose sister I know, has won an Oscar.
$3.$ Is this the style of hair that your wife wants to have ?
$4.$ William Shakespeare, who is the world's greatest dramatist and poet, was born at Stratford on Avon, a small town in England.
$5.$ His girl friend, whom he trusted absolutely. turned out to be an enemy spy.
$6.$ A man brought in a small girl whose hand had been cut.
$7.$ The Smiths, whose house had been destroyed in the explosion, were given rooms in the hotel.
$8.$ He introduced me to his students, most of whom were from abroad.
$9.$ They gave me four very bad tyres one of which burst before I had driven four miles.
$10.$ The man who answered the phone said Tom was out.