Please tell the kids not ________ near the river. It’s too dangerous.

What did you look for me for, Mary? — The boss wondered where you ___________ and how long you __________ there.

This is the first book _______ my cousin bought me.

_______ did you start studying English ? —–Five years ago.

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