6．
(1) It was in the lab which was ______________ by Professor Black that they did the experiment.
(2) You will ______________ the details by our secretary at the appropriate time.
(3) I am especially grateful to you for ______________ during the thunder storm.
(4) ______________ should we give up on our team, even though we lost every game.
(5) The job is great ______________ salary, but it has its disadvantages.
(6) ______________ most managers’ opinion, the young manager voiced his unique view.
(7) You shouldn’t ______________ her that you couldn’t keep, which made her pretty upset.
(8) The guy______________ that he is the best doctor in the town. But in fact, he isn’t at all.
(9) Since it_____________ criticism, the bull forgot all about the matador and charged at the drunk.
(10) If the Houses of Parliament _____________ in 1834, the great clock would never have been erected.