21.Bob got seriously injured in the traf
题型:选择题
问题:
21.Bob got seriously injured in the traffic accident, but luckily, the doctor came __________to save his life.
A.in time
B.on time
C.at times
D.at last
21.Bob got seriously injured in the traffic accident, but luckily, the doctor came __________to save his life.
A.in time
B.on time
C.at times
D.at last