Studies show the electronic devices people have made much use of ____ music may be causing hearingloss in many people.A,enjoyB.to enjoyC.enjoyingD.enjoyedwhy?

问题描述:

Studies show the electronic devices people have made much use of ____ music may be causing hearing
loss in many people.
A,enjoy
B.to enjoy
C.enjoying
D.enjoyed
why?

B.to enjoy

make much use of +名词/doing
所以选“C”