【单选题】I know him very well. He’s sure to _____ his promise
【单选题】I know him very well because we ____________friends for ages.
【单选题】— This returned scientist has become one of the top experts in his field. — Yes, I know him very well. He once _____ in South America with wild animals for eight years. [ ]
【单选题】I don't know him very well. He's just a(n) __ acquaintance.
【单选题】I know him very well, because we _______ friends for ages.
【单选题】I know him very well because we ______ friends for ages.
【单选题】This returned Chinese scholar has become one of the top experts in this field .—Yes , I know him very well . He in Africa with wild animals for eight years .