问题
选择题
By the time I was nine ,I ______hundreds of English words.
A．had learned
B．have learned
C．has been learned
D．had been learned
答案
答案：A
题目分析：句意:到我九岁的时候，我就学会几百个英语单词了。by the time 后跟从句，表示到…时候，从句中常用一般过去时，主句用过去完成时。而且I和learn 之间是主动的关系，不应该用被动语态，故C、D不对。B选项是现在完成时。故选A。