—Excuse me, visiting hours are over.It' s time for you to leave.—I' m sorry, I didn't know the time or I ______ earlier.
. After he retired from the office, Tom _______ painting for a while, but soon lost interest.
Earth is a rocky planet _______ liquid water, which is necessary for life, can exist.
Everyone thinks he’ll go far in this company because he has all the qualities necessary_________ success.
. After suffering a heart attack, Michael Jackson was pronounced dead, _________ a tragic end to the world’s most popular entertainer.
After graduation I’d like to find a job _________ I can use what I have learnt at school.