A new bike was bought for him 是正确的.
after he entered the senior middle school of the city. 动词entered 是过去式,主句的时态应与之保持一致,用一般过去式的被动语态.
has been bought for him 是现在完成时,时态不相符.
【俊狼猎英】团队为您解答.
A new bike was bought for him 是正确的.
after he entered the senior middle school of the city. 动词entered 是过去式,主句的时态应与之保持一致,用一般过去式的被动语态.
has been bought for him 是现在完成时,时态不相符.
【俊狼猎英】团队为您解答.