By 16:30, was almost closing time, nearly all the paintings had been sold.

The best way to learn a foreign language is to go to the country and learn it from ____ speakers. [ ]

matters most in learning English is enough practice．

Are you going to have a holiday this year– I’d love to. I can’t wait to leave this place ________.

The man in a black suit _______ be our youth worker. — I’m sure it _____ be him. I saw him in the laboratory building some minutes ago.