______ the call for help, the boys immed
题型:选择题
问题:
______ the call for help, the boys immediately rushed out to see what was going on.
A.In order to hear
B.Hearing
C.Having heard
D.They heard
______ the call for help, the boys immediately rushed out to see what was going on.
A.In order to hear
B.Hearing
C.Having heard
D.They heard