With the rapid development of medical science, we ___ more new drugs used in the treatment of cancer.
― Have you ever talked to your fiancée about the wedding yet? ― No, I’d like to, ______.
I went to bed early, but I left my bedroom lamp on ______ my parents think I _______.
― I'm afraid I have to give it up. ― Don't be discouraged. Remember ______ sticks to his work will succeed one day.
_______ is the strength of union that all the dilemmas, if any, can be dealt with.
― I’m sorry to bother you at this time of night. ― _________. It’s just so happened that I’m not engaged right now.