When he was alive, the old scientist used to say that knowledge ______ from practice and he gained his experience by doing a lot of practical work.

---What ‘s the matter with you? --- You _____ my heart. - -- But I didn’t mean to hurt you.

John kept looking at the pretty girl, wondering whether he_________ her somewhere.

—Where are the guests to be from tomorrow?—Many an American boy and many a British girl as well as the teachers to he present.

I ___ a Leaguage member for six years.