(·长沙高考模拟)I him in time otherwise he would have fallen off the bike.A. had supportedB

问题补充：

(·长沙高考模拟)I him in time, otherwise he would have fallen off the bike.

A. had supported

B. supported

C. have supported

D. support

答案：

A. had supported

(答案→)B. supported

C. have supported

D. support

解析：B句意：我及时扶住了他，否则的话他就从自行车上摔下来了。support这个动作发生在过去，因此用一般过去时。