题目内容：
The boy ______ . Spanish for six years by the time he takes his examination.A、 has studies
B、 will have studied
C、 has been studying
D、 had studied
参考答案：
选择题：The boy ______ . Spanish for six years by the time
- 题目分类：石家庄铁道大学-大学英语3
- 题目类型：选择题
- 查看权限：VIP
A、 has studies
B、 will have studied
C、 has been studying
D、 had studied