By the time he was 4, he ______ a lot of German words. A. had learned B. has learned C. learned D. l...
2022-09-29 20:16:45 132次 江苏省教育集团树人学校译林牛津版九年级英语上册：Unit 7 测试卷2 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
By the time he was 4, he ______ a lot of German words.
A. had learned B. has learned C. learned D. learns
本题链接：
