Can you make sure _______ the gold ring

With the electricity________because of the road repairs, the whole building was completely dark.[ ]

His face looks familiar(熟悉的) to me. I remember _____him ______ in my hometown.

ssengers traveling into the city, taxis and carservices charge ________ 50 dollars.

填入下面一段文字横线处的语句，最恰当的一句是倏忽间，林木疏朗处突然闪过一泓澄澈，溪床细沙乱石，纤尘不染，水底的树叶纹脉，清晰可辨，那汩汩的水声好像响在别处。风过树林，树叶哗哗作响，茂密的枝叶丛里又显出一汪清泉，     ，奔突的水声也愈发大了。