问题补充:
I English since I was five years old.
A. learn
B. learned
C. will learn
D. have learned
答案:
A. learn
B. learned
C. will learn
(答案→)D. have learned
解析:句中含有since引导的时间状语从句,主句通常用现在完成时,结构为have+过去分词,学习learn的过去分词learned,故本题选D。
时间:2024-03-24 23:00:17
I English since I was five years old.
A. learn
B. learned
C. will learn
D. have learned
A. learn
B. learned
C. will learn
(答案→)D. have learned
解析:句中含有since引导的时间状语从句,主句通常用现在完成时,结构为have+过去分词,学习learn的过去分词learned,故本题选D。