in the past three years是用过去完成时还是现在完成时?
in the past three years是用过去完成时还是现在完成时?
in the past few years 过去完成时 in the last few years 现在完成时 in t
In the past three years
为什么是in the past three years而不是over the past three years
in the last few years 为什么是用现在完成时而不用过去完成时?
You___a lot in the past three years.
in the past...years只用于现在完成时吗? 谢谢
in the past...years只用于现在完成时吗?
in the last three years与in the past three years的区别,好像一个用过去式,
In the past three years there great changes in Beijing.
Great changes _____ in Hainan in the past three years.
in the past few years用现在完成时,需不需要用延续性的动词?