If you meet trouble, you can ______ your friends ________ help.
They ____ Shanghai at eight last night.
This lesson was so boring ____ some students began to sleep in class.
--- How do you like your new job in the bank?--- It’s ____ . I just do the same thing every day.
--- Who taught you Japanese? --- Nobody, I learn it by _____.
--- Jack, is there _____ in today’s newspaper? --- No, nothing.