join 在for 与since现在完成时应该变成 has been a member of 或者 has been in /on 但是如果是join in

问题描述:

join 在for 与since现在完成时应该变成 has been a member of 或者 has been in /on 但是如果是join in
take part in 和 attend 呢求专家解答,还有看清楚问题不要答join

可以根据具体句意和搭配,换成相应的:have/has been + at/in等介词 + 活动.如:I attened the meeting two hour ago.I've been at the meeting for two hours.如果对你有所帮助,请点击本页面中的“选为满意回答”按...