简单的填空题
简单的填空题 Mary bought watch two years ago, so she _______ for two years.
got the watch不可以,你别误导别人。 正确答案是:had had the watch 过去完成时,也可用现在完成时has had the watch 注意got为非延续性动词,后面不可以加 for + 一段时间
own the watch......
has had the watch 或者 got the watch 变一般过去时 为现在完成时态
答:1.Most of rice in China _____in the south. egrowngrownows B 原因:被动语态 2.Who do y...详情>>
答:待到重阳日,还来就(菊花 )详情>>
答:1: m^4+n^4+2mn+1
这样的式子随便写,只要次数为四就可以了
2:8cm
因为三角形的两边已经分别是4和8了,所以第三边的范围是:4