题目：By the time he was ten, he _______ five languages.
2024-11-13
By the time he was ten, he _______ five languages.
A. had learned
B. learned
C. will have learned
正确答案：A
试题解析：暂无
By the time he was ten, he _______ five languages.
A. had learned
B. learned
C. will have learned
正确答案：A
试题解析：暂无
