Anyone in the lab has to      the following dos and don’ts.

—Which module is the most difficult in this book?— I think _____ module.

He was arrested but was release very soon because of a lack of        that he was guilty.

Sarah, hurry up or you won’t have time to ______ before the party. 

The loss has not yet been _______ accurately, but it is believed to be well beyond a hundred million dollars.