Which of these choices supplies the energy that drives the water cycle? A. the clouds
B. the sun
C. the groundwater
D. the oceans

Read the following excerpts from franz kafka's the metamorphosis. match the words in bold to their meanings. gregor answered to both sides: "i'm ready, now", making an effort to remove all the strangeness from his voice by enunciating very carefully and putting long pauses between each, individual word. his father went back to his breakfast, but his sister whispered: "gregor, open the door, i beg of you." … this amazed him, as more than a month earlier he had cut his finger slightly with a knife, he thought of how his finger had still hurt the day before yesterday. "am i less sensitive than i used to be, then? ", he thought, and was already sucking greedily at the cheese which had immediately, almost compellingly, attracted him much more than the other foods on the newspaper.. … had he really wanted to transform his room into a cave, a warm room fitted out with the nice furniture he had inherited? that would have let him crawl around unimpeded in any direction, but it would also have let him quickly forget his past when he had still been human. … it was not until it was getting dark that evening that gregor awoke from his deep and coma-like sleep. he would have woken soon afterwards anyway even if he hadn't been disturbed, as he had had enough sleep and felt fully rested. but he had the impression that some hurried steps and the sound of the door leading into the front room being carefully shut had woken him.