【2014河南】 “Underground” is the only word in the English language _______ begins and ends with the letters “und”.
— Generally speaking, light ___ faster than sound. — Yes, it is a rule.
–Is Miss Green in the office?--No, she ____ to the library.
-A nice tie! A present? -Yes, it is. My aunt it to me for my last birthday.
—I didn’t know .
—What should we do with the driver hurt in the car accident? —Let him stay. Help is on the way.