4.--- Will you join us in the dance tonight? --- I’m afraid not. My uncle is coming by train at 7 pm and I_________him at the station then.
The driver was at ______ loss when ____word came that he was forbidden to drive after drinking alcohol.
This is _______ story I’ve told you about.Isn’t it _______ interesting one?
This is the first time that I _____ the summer palace.
—Mr.Wang was caught in a snowstorm yesterday. —I have known that, and ______ his new car was completely destroyed.
—Excuse me, could you tell me where the post office is? —__________, but I’m a stranger here.