When we ___ a foreign language, we’d respect its ____, or we can’t really learn it well.
Buses have routes. They ________ and ________ people at different places on the routes.
He doesn’t spend any more money on clothing than I do, but ______ he manages to look so stylish.
When electric cars become ______ , we’ll need to build more charging stations.
With your help, there is no doubt ______ our plan is meant for will work out successfully.