The young college students jumped into the river and swam to the boys ________they heard them crying for help．

A．as soon as          B．before           C．because         D．till

Richard found a job in a big office after he finished college. He liked to use his(1)___ and was good at his job. So he was often paid more than (得到的报酬多于) his workmates and he worked (2) _____ . But something was wrong with the young man a month ago. He couldn't fall (3) _________ at night. So he was always (4) _________ in the daytime and often made mistakes. He had to go to a hospital. The doctor (5) _________ and told him to buy some sleeping pills. He took them (6) _________ he went to bed. Soon after that he went to sleep. Richard (7) _________ in the morning. He had a look at the clock on the wall. It was a quarter to seven. He got up and went to work after (8) _________ . As soon as he went into the office, he said to the head of the office, "Good morning, Mr Clarke! I've (9) _________ had a good sleep like last night's and I'm feeling much better now!" "Skunk (混蛋)!" the head (10) _________ loudly. "We've looked for you for two days! I wanted you to do something important, but it's too late now!"

Richard found a job in a big office after he finished college. He liked to use his(1)___ and was good at his job. So he was often paid more than (得到的报酬多于) his workmates and he worked (2) _____ . But something was wrong with the young man a month ago. He couldn't fall (3) _________ at night. So he was always (4) _________ in the daytime and often made mistakes. He had to go to a hospital. The doctor (5) _________ and told him to buy some sleeping pills. He took them (6) _________ he went to bed. Soon after that he went to sleep. Richard (7) _________ in the morning. He had a look at the clock on the wall. It was a quarter to seven. He got up and went to work after (8) _________ . As soon as he went into the office, he said to the head of the office, "Good morning, Mr Clarke! I've (9) _________ had a good sleep like last night's and I'm feeling much better now!" "Skunk (混蛋)!" the head (10) _________ loudly. "We've looked for you for two days! I wanted you to do something important, but it's too late now!"

Richard found work in a big office after he had finished college. He liked to use his (1)____and was good (2)_____ his work. So he was often paid more than his workmates and he worked (3)______. But something was wrong with the young man one month. He couldn't fall (4)____ at night. So he was always (5)____ in the daytime and often made mistakes. He had to go to a hospital. The (6)______ looked him over and (7)_____ him to buy some highly effective sleeping pills(高效安眠药). He took them (8)_______ the went to bed. Soon after that he went to (9)_____.   Richard (10)_______ in the morning, he had a look at the (11)_____ on the wall. It was a quarter to seven. He got up and went to work after (12)____ . As soon as he went in the office, he said to the head of the office, "Good morning, Mr. Clarke! I've(13)_______  had a good sleep like last night's. And I'm feeling (14)_______better now!"   "Skunk(混蛋)!"the head (15)_____ loudly.”We've looked for you for two days! I wanted you to do something important, but it's too late now!"