have spent 和 had spent 有什么区别、//?

have spent 和 had spent 有什么区别、//? They have spent all theymoney.have spent能换成had spent吗? they have spent all theymoney.have spent能换成had spent吗? they spent和they have spent有啥区别 In the days which you ( ) in the summer camp ,you will be growing more and more independent.A are spending B had spent C spent D have spent i have had和 i had had 有什么区别? having spent/have spent 的区别 请翻译一下题干和选项的意思4. The importance of services can be shown____.A) only by consumer expenditureB) only by money spent on business servicesC) by money spent on business services as well as on consumer servicesD) only by money spe HAs HAD 和HAVE HAD区别HAVE HAD 和HAS HADE had have done 和had done怎样区分? spe是什么? have come和had come的区别 请翻译下I've spent the last few years in an opportunity that few have had,我想知道那两个have用法 I -------the dictionary for 2 years.have been和 have had为什么选have had have had have had have had Mr and Mrs Smith had always spent their summer holidays为何为had always spent