来自罗魏康的问题
Bythetimewegotthere,theship()(disappear)intothemistalready动词填空.
Bythetimewegotthere,theship()(disappear)intothemistalready动词填空.


Bythetimewegotthere,theship()(disappear)intothemistalready动词填空.
Bythetimewegotthere,theship()(disappear)intothemistalready动词填空.
haddisappeared
bythetime后用过去完成时
过去的过去