THE SHOP ASSISTANT WAS TOTALLY BEWILDERED BY THE CUSTOMER’S BEHAVI...

35. The shop assistant was totally bewildered by the customer’s behavior. The word bewildered is closest in meaning to A. upset B. puzzled C. disgusted D. angry III. Read the passage and choose the word which best fits each space. I don't want to alarm you. There is still ...(36)... sand left in the world to satisfy most holidaymakers but in many parts of the world beaches are literally being washed away and have to be regularly ...(37)... First, much of the sand for beaches comes from cliffs which crumble away as they are pounded by the waves. To ...(38)... them, sea walls are often erected. With cliffs no longer crumbling, the beaches are robbed of the material which would...(39)... feed them.Beaches are also ...(40)... with sand and gravel by rivers which bring it down from the mountains and hills. In some places rivers are being dammed and ...(41)... built to retain water. They trap more of the sediment so the rivers ...(42)... less sand and gravel to the sea. This is happening in California, for example, and in Scotland. In Egypt the ...(43)... of the Aswan Dam has trapped the Nile silt, so much less silt is being fed towards coastal areas . That has meant the delta is now eroding instead of ...(44)... as before. Thirdly, to improve access to the beach many holiday resorts build a promenade along the sea front. Like some of the fortifications of cliff ...(45)... , this usually has a flat vertical surface off which the waves bounce. This helps wash the sand away down the beach and most of it is lost.