> 英语 >
()have been trying every way to keep the balance of nature
A.Man
B.Mankind
C.Human
D.Human beings
人气:405 ℃ 时间:2020-05-13 15:40:51
解答
选d!应该是集体名词的考核!前面abc都是集体单数!后面应该跟has
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版