—Did he come back late last night? —No.It was not yet eight o'clock _____ he arrived home.
I work in a business ______ almost everyone is waiting for a great chance.
Mark was a student at this university from 1999 to 2003, __________ he studied very hard and was made Chairman of the Students’ Union.
Last month, part of Southeast Asia was struck by floods, from _____ effects the people are still suffering.
________ many times, he finally understood it.
He told us whether _________ a picnic was still under discussion