A: _ did you come so late to your office this morning? B: Oh, I felt so sick that I couldn't get up on time. A. How B. Which C. Why
This pair of jeans ________ them 300 dollars.
Not only he but also his parents _____China for two years .
--Never forget to bring your homework with _______. --__________.
I think your advice is of great ________ to me and it’s _______.
-- Look at that girl. Is it Susan? --No, it _______ be her. She has gone back to her home town .