Question

-Where is peter -sorry i dont know.maybe he___thelibrary.a.has been tob.has gone toc.has been in正确答案是b 但是我觉得c也说得通。皮特去了图书馆且待在图书馆

Answer 1

问：-Where is peter -sorry i dont know.maybe he___the library.a.has been tob.has gone toc.has been in正确答案是b 但是我觉得c也说得通。皮特去了图书馆且待在图书馆

答：c也许他去过图书馆。而b是他可能在图书馆