Without facts, we can’t form a correct opinion, for we need to have actual knowledge _______ our thinking.
Go back home now, Mary. Your parents ______ your safety.
Must I wait till you come back? No, you ______.
It is in the school ______ he studied ten years ago ______ he gave a wonderful speech.
I don't think she ____what happens to her children.
____ touch anything unless your teacher tells you to