摘要： they all have in common is that they combine fun the opportunity to learn something. A. What; with B. What; on C. Which; with D. Who; for

网址：http://m.1010jiajiao.com/timu3_id_2972660[举报]

they all have in common is that they combine fun the opportunity to learn something．

________ they all have in common is that they combine fun ________ the opportunity to learn something．

A．What; with

B．What; on

C．Which; with

D．Who; for

________ they all have in common is that they combine fun ________ the opportunity to learn something．