79.He is afraid _______the narrow bridge because he is afraid _______ into the water.A.to cros79.He is afraid _______the narrow bridge because he is afraid _______ into the water.A.to cross,of falling B.of crossing,to fall C.to cross,to fall D.of crossing,of falling

问题描述:

79.He is afraid _______the narrow bridge because he is afraid _______ into the water.A.to cros
79.He is afraid _______the narrow bridge because he is afraid _______ into the water.
A.to cross,of falling B.of crossing,to fall C.to cross,to fall D.of crossing,of falling

be afraid of sth.害怕某事
be afraid of doing sth.害怕做某事
be afraid to do sth.担心做某事
B

A.to cross,of falling
be afraid to do害怕去做某事
be afraid of doing 担心某事