问题补充:
I have studied English for five years I was ten years old.
A. after
B. since
C. before
D. when
答案:
A. after
(答案→)B. since
C. before
D. when
解析:四个选项分别表示在……之后(将来时态)、从……开始(一般现在时态)、在……以前(主句为过去完成时态)和当……时(主从时态一致),句子为现在完成时态,故选B,从我十岁开始。
时间:2021-11-29 15:28:40
I have studied English for five years I was ten years old.
A. after
B. since
C. before
D. when
A. after
(答案→)B. since
C. before
D. when
解析:四个选项分别表示在……之后(将来时态)、从……开始(一般现在时态)、在……以前(主句为过去完成时态)和当……时(主从时态一致),句子为现在完成时态,故选B,从我十岁开始。
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