__________knowledge comes from practice is known to all.
---- My key is gone.Have you seen it anywhere? ---- Oh, it is in the room ______ we had a talk last night.
With housing prices ______ sharply, many people have no idea whether they should buy an apartment or not.
Maggie has been fortunate to find a job she loves, and ______ she gets well paid for it.
------ _______ the letter _______ to Mr Black? ----- No.It’s still on the desk.
------Why can she keep such a good figure? ------ She _________ great importance to regular exercise.