> 英语 >
Most students in our class can not answer this question,so it should be\is very difficult.
人气:198 ℃ 时间:2020-01-27 23:04:55
解答
be
should 后加动词原形
be 是原形 is 是第三人称单数形式
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版