Who______the computer?
Sorry, I've no idea. But it has changed the world greatly.( )
A.inventedB.discoveredC.madeD.played
---- ______will Mrs. Lin go to Canada? ---- To see her daughter there.
-- _______is it from here to the station?-- It’s ten minutes’ ride.
--________ does your father visit your grandparents a week? –Once.
-- ______ you______ your homework yet? --Yes, I _____ it just now.
--_____ you ever ____ to Beijing?-- Yes, I went there last year.