The more one is _______ the English-speaking environment, the better he or she will learn the language.
Dandy left word with my secretary _____ he would call again in the afternoon.
It is obvious to the students ______they should get well prepared for their future.
All of your hard work will_________.
Keep _______ when I take your photograph.
—HowmuchdoIoweyouforlunch? —________________.It’snothing.