()in my life impressed me so deeply as my first visit to the Palace Museum.
He lived in London for 3 months, during ______ time he learned some English.
__________ has already been pointed out, grammar is not a set of dead rules.
I bought an ancient Chinese vase, _______ was very reasonable.
Dorothy was always speaking highly of her role in the play, ______, of course, made the others unhappy.
Carol said the work would be done by October, _______ personally I doubt very much.