obot is supposed to save a lot oflabor, but it remains a problem if it ______

you go and pick up Mary from the station, _____— But she’s already got home.

Have a good look round the room to make sure you ______ everything

Do you like traveling? —SureI _____ to Australia six months ago, but I _____ anywhere since then

Do you know Jim quarreled with his mother? — I don’t know _____