— I called you yesterday evening, but nobody answered the phone.— Oh, I           a walk with my parents at that time.

While she was trying to pass a truck before her, she __________ another car coming.

Tom wants to be a singer and he_____ singing lessons to do it.

—Have you mended your shoes, Bob？—Yes, I _________ them twenty minutes ago ．

--Surfing first started on the islands of Hawaii, didn't it?--Yes, but now it ______ by people all over the world.