Nobody taught me English . I learned it by _______ .

great fun it is to go hiking in this season! — Yeah, you cannot imagine interesting it is if you don’t experience it yourself.

Every minute has been made full ______ of by the girls ______ knowledge about etiquette(礼仪).

Before taking the photo ,_______ the focus of thecamera.

ke some apple juice —Sorry, there is ______left Whatabout some other drink