Word has come ________ some American guests will come to our school next week.[ ]

like “discount” never fail to________ people, specially women，though they might not need what is being promoted.

You are__________to be nervous since this is your first time to give a speech in public.[ ]

ars ago, three scientists traveled to theAntarctica to explore a secret world hidden _________ the ice

May I smoke here?— If you ______, choose a seat in the smoking section.[ ]