It is important to keep ______ in an emergency (紧急情况).

— What will you buy for your husband’s birthday?— I want to buy a ____ wallet for him.

--- Mum, what are you doing? ---Your uncle will come; I put a(an) ________ plate on the dinning table.

 Please keep _________ while I take your photograph.

I have been convinced that the print media are usually more ____ and more reliable than television.