She is always the first staff to go to the office and the last to leave,______ I guess is why she is promoted so quickly.
__________ smoking, he would not have got cancer in the lung.
—If only I__________ morning exercises regularly earlier!—Yes. Be quick to join us now.
—I've told everyone about it in our class.—Oh, I'd rather you __________.
—I still haven't given him my gift.—It's time you __________.
But for the help you gave me, I __________ the examinations.