The _______ income of the common people has been greatly increased in the past thirty years ______ the reform and opening-up policy in China.
—Do you smoke?—No,I don’t.It’s two years since I __________.
—How is the boy?—Sorry.He__________though the doctor made every effort to save him.
I should very much like to have gone to that party of theirs,but__________.
—Did you meet the pianist at the station?—No,he__________by the time I__________there.
Did you tell me that there__________an English test the next week?