If you meet trouble, you can ______ your friends ________ help.
— The shop closes early on Saturday, right?— No. Usually it ________ 10 o’clock in the evening.
—We will build a high-speed railway in Yangzhou before 2015.—Wow, ________ exciting news!
---I would like to sit in __________ front of the bus.---Me, too. And we can have ________ better view.
—What ______ can I do for you? —Thank you, but I can finish it myself.
—________ you show me the way to the post office?—Of course. ________, why do you want to go to the post office?