the room was silent for a long moment. then, a loud, piercing wail tore at our ears.

if the writer wants to convey a sense of suddenness, what is the best transition word or phrase to use in the blank for this sentence?

a) all at once
b) before long
c) after a pause
d) to our considerable astonishment

n you will not need it

ich statement best shows a problem in travels with charley?

one sharp difficulty presented itself. in the intervening twenty-five years my name had become reasonably well known.

this being so, my trip demanded that i leave my name and my identity at home.

i had to go alone and i had to be self-contained, a kind of casual turtle carrying his house on his back.

with all this in mind i wrote to the head office of a great corporation which manufactures trucks.