He----the last bus.A.bound to catch B.was bounHe----the last bus.A.bound to catch B.was bound to catchingC.was bound to catchD.bound catching

问题描述:

He----the last bus.A.bound to catch B.was boun
He----the last bus.
A.bound to catch
B.was bound to catching
C.was bound to catch
D.bound catching

c
be bound to do后面加动词原型

C.was bound to catch
他*乘左后一辆公车