单项选择题—Was it not until last week ______ he decided to give up smoking —No. He began ______ he saw the news film last month.
单项选择题He said, We ______ be proud of working hard. We mustn't be lazy.
单项选择题—The blue skirt looks very nice. May I ______ —Yes, please.
单项选择题—Do you mind if I smoke —______
单项选择题—Would you like to play basketball with us —Yes, I'd love to. ______ I'm afraid I have no time.