It'sdifficult________aworldrecorda

发布时间：2020-07-09 21:13:33

It's difficult ________ a world record and even more difficult to ________ it.













A.to set, keep












B.to keep, set











C.keep, set











D.keeping, set

网友回答

A解析导解：set a world record为“破……记录”．
以上问题属网友观点，不代表本站立场，仅供参考！