The guitar John composed their first hit is now in a music museum. A. by what B. with wh

问题补充：

The guitar John composed their first hit is now in a music museum.

A. by what

B. with which

C. on that

D. at which

答案：

A. by what

(答案→)B. with which

C. on that

D. at which

解析：考查定语从句。先行词为the guitar，在定语从句中作compose with的宾语，故选B。