Amy makes fewer mistakes than Frank.She does her homework___
Amy makes fewer mistakes than Frank.She does her homework______. A.more carefully B.more carelessly C.more careful D.more careless The geography teacher told us that the earth______ around the sun. A.moves B.moved C.has moved D.was moving Mr Smith's son______ a girl from the United States last year. A.married B.married with C.married to D.married at Many sports men are getting ready_____ the 2008 Beijing Olympic Games. A.on B.for C.with D.to (题目应该不算很难,请选择后说明原因,)