> 英语 >
I'm sorry, (I/not/understand).Can you speak more slowly?
人气:420 ℃ 时间:2020-01-09 04:58:44
解答
I don't understand.
understand 是实义动词,否定形式就需借助 助动词do
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版