__ I do not know what I ___________ without the suitcase you lent me. __ Glad to have been of some help to you.
David will succeed along the career ladder one day, I firmly believe, _______ he devote more energy to it.
With China’s Singles’ Day approaching, shop owners offer large discounts ______ high sales volumes created by enthusiastic buyers.
Common sense requires us to get away from the concept that national boundaries are frontiers _________ knowledge may not spread.
—Could you say something about Turkey’s downing of the Russian fighter jet?—Sorry. It ______ by a group of experts and will be made clear the moment they get the answer.
Just as Tu Youyou once commented, “In order to make some achievements and ______ yourself in your field, there are certain things you must do.”