-- Excuse me. May I use your eraser, please?
-- Sure. ______

-- Please bring little Tom next time you come to Anhui.
--______, thank you.

-- I hope you don’t mind my opening the window.
-- ______ It’s much too hot in here.

—How long _______it _______ you to work out such a difficult problem?
—About thirty minutes.
A. did… take                                      B. does… take                                  C. did…cost

—Can you work put the physics problem?
—Sorry, I can _________ understand its mean­ing.

—Remember to close the door when you leave.

—Why not join us in the game,Kitty?
—_________, but I have to do my homework first.

—Could you tell me_________?
—By underground.

―Look, Linda’s been back from the teacher’s office.
―She looks sad. Please don’t ask her anything           she tells you about it.

―          is the nearest theme park from here?
―It will take us half an hour to get there by bike.