问题
选择题
| — Did you return Fred's call? — I didn't need to _____ I'll see him tomorrow. |
A. though B. unless C. when D. because |
答案
答案：D
搜题请搜索小程序“爱下问搜题”
| — Did you return Fred's call? — I didn't need to _____ I'll see him tomorrow. |
A. though B. unless C. when D. because |
答案：D
