Thoughheknowslittleaboutthelargen

发布时间：2020-07-10 18:39:30

Though he knows little about the large number of experiments done in the field, __________ when it __________ working experience ,nobody equals him here．













A.but ; es to












B./; es to











C.but ; refer to











D./; refer to

网友回答

B
以上问题属网友观点，不代表本站立场，仅供参考！