Low-carbon life is of great benefit to improve the world environment. _____ can be enjoyed from it until you have a deep understanding of it, though.

. --- Did ________ get through the driving test? --- No, ________. A few failed.

I stayed there for only two days but ______ felt like two weeks．

Jackie made _____ possible for this family to have beautiful memories during hard time.

Of the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.