这里的have been的用法?despite the fact that GM foods have only been around a little over 12 years. 如果这里和被动没关系 这只是be的过去分词.那么这个是什么形式的到底?
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have been 的用法?
have been+adj的用法
have ever been 的用法?
have been on的用法
Though learning gymnastic has been more difficult 这里的has been 是什么用法不是只有 have been dong 和has been done吗?这里的has been 是什么?
英语冠词的用法问题I have been to Himalayas.在这里 Himalayas 前需要+the
there has/have been的用法
have been的意思及用法.
have been in have been to have gone to用法have been in和 have been to和 have gone to的用法
Olympic Games because they have never been held before in this country.这里的before是什么用法
been in have been to have been on的意思以及用法
英语HAVE BEEN TO 和HAVE GONE TO 的用法
have been 和 have gone的区别 含义 用法
have done和have been done的用法是什么?
have been doing have done 的用法和区别
have been doing have done 的用法和区别
这里的have been的用法?despite the fact that GM foods have only been around a little over 12 years. 如果这里和被动没关系 这只是be的过去分词.那么这个是什么形式的到底?
always is always用法alway is always还有have been to have been have gone to的用法