—Mr . Smith was really helpful when you were in financial difficulty during those years. —Definitely . I can never appreciate his kindness____________
We tried to find a table for seven, but they were all _________.
Without the ____ of my friends, how could my company have lived through the hard times.
By the time he got up, I ______ for two hours in the factory.
Was it through Mary _____ was working at a high school ____ you got to know Tom?
—Do you mind if I open the window?—________.I feel a bit cold.