一般过去时可以和一段时间连用?-This Chinese scholar has become one of the top experts in this field.-Yes,i kown him very well .He ( ) in Africa with animals for eight yearsa,worked c,has been working为何c不选一般过去式只是叙
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/02 19:53:44
xRNQ~6MMM76xqn23-uGK)T+$FbEI"#2+c.&|K(+rZ%WTcn~A\t!Wrz--Ԇ:5Mt3Z6L0
3
]X
@;$"KP034o LB%'4B::MIl7- t]w`* k)b@Pclю