Seldom ____as lonely as now , though I have been living in this house or more than 20 years A have I felt B I have felt C I had felt D had I felt
__________annoyed him most was that he had received no apology.
—I__________some photos to be developed (冲洗). Are they ready yet? —Yes. Here you are.
Once again he failed to hand in his homework _____ he had been given enough time to do it.
. _____ the book four times, I finally understood the author's theory.
Mike seldom asks ____ questions in class, but today he raised _____ fairly good one.