---Does my question sound ________ enough?---I don’t think so. You can ask more ________ by using “could” instead of “can”.
There __________great changes in our hometown in the past fifteen years.
-----________did your uncle leave his home town ?----He ___________for nearly twenty years.
It's very to play chess with old friends at home.
—Where have you _________? —I’ve ________ the supermarket.
We each other since I left school.