1 borrow--keep
borrow为短暂性动词,即非延续动词,在这里不能用how long来提问,而keep是延续动词,表示保留,所以用keep代替borrow.
2 have gone to 改为have been to
have been to指去过……,现在已经回来了
have gone to 指去了……,现在还没回来,这里我们由上下文语境可以推出,说话人已经回来,故用have been to
1 borrow--keep
borrow为短暂性动词,即非延续动词,在这里不能用how long来提问,而keep是延续动词,表示保留,所以用keep代替borrow.
2 have gone to 改为have been to
have been to指去过……,现在已经回来了
have gone to 指去了……,现在还没回来,这里我们由上下文语境可以推出,说话人已经回来,故用have been to