—Is this Tom’s bike?—____, I don’t know.A. OK B. Good C. Sorry
---Excuse me. May I _____ you to pass me the sugar? ---No problem.
---Peter is very clever and he studies hard as well. ---No ______ he always gets high marks in the examinations.
We have two rooms___, but I can’t decide _____.
---Have you finished your work yet? ---No, not yet. I think it'll take _____ ten minutes.
With the help of the computer, information can ____every corner of the world swiftly.