As__________ is less available, the walls of the bladder, urethra and vagina become drier and less flexible

IV. Replace the underlined words or expressions in the following sentences with phrases orexpressions from the text that best keep each sentence’s original meaning.We got lost and finally were two hours late.2. The schoolboy tried to drive the cow into the stable by tugging ( 拉) its tail, but failed.3. The roots of plants absorb water and make their food out of it.4. By constantly looking up at the clock he is really saying that he wants us to leave.5. Although the glow of the sunset was the most intense colour in the scene, the darkening blue of the rest of the sky began increasingly to prevail.6. After graduation, John changed his job frequently but he eventually taught English in a local middle school.VI. The suffix -ant can be added to a verb to form a noun, meaning a person or thing that doesthe stated action. Change the verbs below into such nouns and fill in the following blanks in thesentences with them. account, assist, attend, consult, contest, defend, depend, inhabit, occupy, serve1. The driver got lost and had to stop to ask directions from the gas-station __________.2. Before the party began, one __________ polished the silver and the other prepared the tea.3. The professors in this university are all well-known scholars. Many of them act as__________ to thegovernment.4. Though she was the youngest __________, Mary won the first place in the piano competition.5. My __________ prepares my tax returns every year.6. The previous __________ left the house in a terrible mess.7. While he studied at Harvard, John worked as a(n) __________ to Prof. Hill.8. Many of the __________ of San Francisco enjoy a view of the Golden Gate Bridge.9. He has a large family and his salary is far from enough to support all of his __________.10. The __________ in this case is accused of stealing a car.