When i entered office,she was reading
When I came into the office,she was reading
When I enter office time,she is reading
When I came to office,she was reading.
When I walked into the Office when she was reading
这五个都可以的,
When i entered office,she was reading
When I came into the office,she was reading
When I enter office time,she is reading
When I came to office,she was reading.
When I walked into the Office when she was reading
这五个都可以的,