问题
选择题
| _____ isn't easy to learn a foreign language well. But don't give it up. |
A. That B. Which C. It D. This |
答案
答案：C
搜题请搜索小程序“爱下问搜题”
| _____ isn't easy to learn a foreign language well. But don't give it up. |
A. That B. Which C. It D. This |
答案：C