“Susan, go and join your sister cleaning the yard.” “Why ______? John is sitting there doing nothing.”
On entering the office, I found Mr. Thompson _____ at the desk and _____ something.
_____ how to express the idea in English, he turned to the dictionary.
You'd better not have the light _____ all day long.
I had Helen's brother _____ the windows, but Helen had them _____ instead.
Dick made it _____ to all his friends.