We must be off _____. It’s eight o’clock already.

As the idea of low­carbon life is now ________ accepted, more and more people   travel by public transport.

— Did you remember to give Mary the money you owed her?— Yes, I gave it to her ________ I saw her.

Henry was away from home for quite a bit and _______ saw his family.

On snowy days, you have to drive very ________ to avoid traffic accident.