Plane/their/has/arrived. heve/seen/they/film/this

Their plane has arrived.

Их самолёт прилетел.

Has their plane arrived?

Has their plane arrived or departed?

What has arrived?

Whose plane has arrived?

What their plane has done?

Their plane has arrived, hasn\'t it?

They have seen this film.

Они видели этот фильм.

Have they seen this film?

Have they seen this film or this play?

What have they seen?

What have they done?

Who has seen this film?

They have seen this film, haven\'t they?