Some researchers believe that there is no doubt ______a cure for AIDS will be found.
To their great _____, Tom’s problem proved not to be as serious as they had feared.
________ we had read your letter _____the true state of affairs.
Books of this kind well.
—Do you think I should go to the seaside for a rest?—____________ You have been busy for such a long time.
---What do you think of your new English teacher?--- She was well prepared for her first lesson and left us a good________.