These books ______ (keep) in the library for a long time.have been kept从for a lo

游客2024-06-27 46

问题 These books ______ (keep) in the library for a long time.

选项

答案 have been kept

解析从for a long time可判断应用完成时，主语books与谓语keep之间是被动关系。此处应填现在完成时的被动形式。

转载请注明原文地址:https://tihaiku.com/zcyy/3652122.html

相关试题推荐

随机试题

最新回复(0)

Thesebooks______(keep)inthelibraryforalongtime.havebeenkept从foralo