:in the last three years,they ____ three major concerts.A have had B had had

问题描述:

:in the last three years,they ____ three major concerts.A have had B had had
选哪个好呢 现在完成时和过去完成时区别 容易懂的
说说为什么把

针对本道题...in the last three years最近三年..到现在为止..应该用现在完成时..所以选A...至于现在完成时和过去完成时区别 ..过去完成时表示的是过去一个动作的过去..也就是说 前提有一个过去式的动词在前文提到过...