it is some time since+...与it has been some time since+...什么区
it is some time since+...与it has been some time since+...什么区
为啥it is some time since与it has been some time since没区别
it has been some time+since是什么意思
为啥it is some time since与it has been some time since没区别谢谢了,
it is some time before与it is some time since 的区别是什么,请举例说明,
It has been some time since we last connected with you,we wo
it has been a long time since+?since后面加什么形式?
“It be some time+ since短语或从句” 这里面的be用哪种形式呢?is,was还是has been呢
How have you been?It had been quite some time since we last
It's a long time since还是It has been a long time since
It’s been quite some time since I was last in London
什么时候用It be some time+since从句,什么时候用It be some time +that 从句