试了这个网站, 里面有错, 忘记是抄题错了还是答案错了
所有跟帖:
• My friend had a similar problem and emailed to them. She said -henry20841- ♂ (37 bytes) () 01/25/2017 postreply 03:53:16
• 发现有错后就不再用这个网站了, 不知现在怎样。 因为有错会影响孩子的模拟考试。 -fresh_choice- ♀ (0 bytes) () 01/25/2017 postreply 09:14:53
• It looks like everything is fine now. My kids and their friends -henry20841- ♂ (156 bytes) () 01/25/2017 postreply 15:13:14